Entity Address, City or Town
Entity Address, City or Town
Repurchase of common stock
Aggregate cost of shares repurchased
Stock Repurchased During Period, Value
Schedule of Other Current Assets
Schedule of Other Current Assets [Table Text Block]
Purchase of redeemable preferred stock
Payment For Purchase Of Redeemable Preferred Stock
Payment for purchase of redeemable preferred stock.
Reconciliation of Difference between Federal Statutory Income Tax Rate and Effective Income Tax Rate
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Equity Distribution Agreements [Line Items]
Equity Distribution Agreements [Line Items]
Equity distribution agreements.
Fair Value Disclosures [Abstract]
Net (loss) income per common share attributable to Fulgent:
Net income per common share attributable to Fulgent:
Earnings Per Share [Abstract]
Level 1
Fair Value, Inputs, Level 1 [Member]
Schedule Of Available For Sale And Trading Securities [Table]
Schedule Of Available For Sale And Trading Securities [Table]
Schedule of available-for-sale and trading securities.
Schedule Of Available For Sale And Trading Securities [Line Items]
Schedule Of Available For Sale And Trading Securities [Line Items]
Schedule of available-for-sale and trading securities.
2025
Finance Lease, Liability, to be Paid, Year Three
Federal
Domestic Tax Authority [Member]
Deferred tax assets
Deferred Tax Assets, Gross [Abstract]
Issuance of common stock
Stock Issued During Period, Value, New Issues
Recorded Unconditional Purchase Obligation by Category of Item Purchased
Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Research and Development Expenses
Research and Development Expense, Policy [Policy Text Block]
Cash flow from financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Dividend yield
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Business combination recognized identifiable assets acquired and liabilities assumed debt free net working capital.
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Debt Free Net Working Capital
Debt-free net working capital
Amendment Flag
Amendment Flag
Debt Commitments And Contingencies Disclosure [Abstract]
Debt, commitments and contingencies disclosure.
Fair value of the contingent consideration recognized
Contingent Consideration Classified as Equity, Fair Value Disclosure
Selling and Marketing
Selling and Marketing Expense [Member]
Total fair value of options vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value
Subsequent Event Type
Subsequent Event Type [Domain]
Equity and debt securities, Unrealized Gains
Available For Sale Securities Debt Equity Securities And Trading Securities Unrealized Gain Before Tax
Available for sale securities debt, equity securities and trading securities unrealized gain before tax.
Less: accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Cost of Revenue
Cost of Sales [Member]
Bond Funds
Bonds [Member]
Percentage of accounts receivable from contract
Percentage Of Accounts Receivable From Contract
Percentage of accounts receivable from contract.
Goodwill, Ending Balance
Goodwill, Beginning Balance
Goodwill, Total
Goodwill
Goodwill
Operating lease ROU asset, net
Operating Lease, Right-of-Use Asset
Notes payable, noncurrent portion
Notes Payable, Noncurrent
Notes Payable, Noncurrent, Total
Undiscounted amounts required to pay under contingent consideration agreement, minimum
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low
Unrealized gain/loss on available-for-sale debt securities
Deferred Tax Assets, Unrealized Gain/Loss on Available-for-sale Debt Securities
Deferred tax assets, unrealized gain/loss on available-for-sale debt securities.
2025
Lessor, Operating Lease, Payment to be Received, Year Three
Total Deferred
Deferred Income Tax Expense Benefit Including Of Change In Valuation Allowance
Deferred income tax expense (benefit) including of change in valuation allowance.
Repurchase of common stock
Payments for Repurchase of Common Stock
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Redeemable preferred stock investment
Redeemable Preferred Stock Investment Noncurrent
Redeemable preferred stock investment noncurrent.
Less imputed interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Tax benefit realized from deductions to awards vested or exercised
Stock Issued, Value, Stock Options Exercised, Net of Tax Benefit (Expense)
Boston Molecules, Inc.
Boston Molecules Inc [Member]
Boston Molecules, Inc.
State income taxes
Deferred Tax Assets, State Taxes
Basic and Diluted Net Income or Loss per Share
Earnings Per Share, Policy [Policy Text Block]
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Carrying value of equity
Equity Method Investments
Statement [Table]
Statement [Table]
Operating lease liabilities, long term
Operating Lease, Liability, Noncurrent
2023
Finance Lease, Liability, to be Paid, Year One
Schedule of Lease Income
Operating Lease, Lease Income [Table Text Block]
Interest on lease liabilities
Finance Lease, Interest Expense
Unrecognized income tax benefit that would impact effective tax rate if recognized
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Sale of stock, weighted average net selling price per share
Sale Of Stock Weighted Average Net Selling Price Per Share
Sale of stock, weighted average net selling price per share.
Accounting standards update, immaterial effect
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]
Number of customers
Number Of Customers
Number of customers.
Gain on equity method investment
Gain On Equity Method Investment
Gain on equity method investment.
Debt, Commitments and Contingencies [Line Items]
Debt Commitments And Contingencies [Line Items]
Debt, commitments and contingencies.
Other Long-Term Liabilities
Other Noncurrent Liabilities
Other Noncurrent Liabilities [Member]
Preferred Stock, Shares Outstanding, Ending Balance
Preferred Stock, Shares Outstanding, Beginning Balance
Preferred stock, shares outstanding
Preferred Stock, Shares Outstanding
Business Acquisition
Business Acquisition [Axis]
PTJ Associates Inc
P T J Associates Inc [Member]
PTJ Associates Inc.
Land Improvements
Land Improvements [Member]
Auditor Firm ID
Auditor Firm ID
Weighted-Average Grant-Date Fair Value, Balance
Weighted-Average Grant-Date Fair Value, Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Weighted-Average Grant-Date Fair Value, Vested and settled
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Common stock shares not issued and holdback as partial security for indemnification obligations
Common Stock Shares Not Issued and Holdback as Partial Security for Indemnification Obligations
Common stock shares not issued and holdback as partial security for indemnification obligations.
Type and Tier Identifier
Type and Tier Identifier [Domain]
Recognized amounts of identifiable assets acquired and liabilities assumed
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Business Combinations
Business Combination Disclosure [Text Block]
Income Tax Authority
Income Tax Authority [Domain]
ROU assets - finance
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Right Of Use Finance Assets
Business combination recognized identifiable assets acquired and liabilities assumed right of use finance assets.
Purchase of preferred stock of privately held company
Purchase Of Preferred Stock Of Privately Held Company
Purchase of preferred stock of privately held company.
ASU 2019-12
Accounting Standards Update 2019-12 [Member]
Operating lease right-of-use assets reduced due to lease modification or termination
Operating Lease Right Of Use Assets Reduced Due To Lease Modification And Termination
Operating lease right of use assets reduced due to lease modification and termination.
Schedule of Maturity Analysis of Operating and Finance Lease Liabilities using Undiscounted Cash Flows on an Annual Basis
Lessee Operating And Finance Lease Liability Maturity Table [Text Block]
Lessee operating and finance lease liability maturity.
Selling and Marketing Expenses
Selling And Marketing Expenses Policy [Text Block]
Selling and marketing expenses.
Cumulative Effect, Period of Adoption, Adjustment
Cumulative Effect, Period of Adoption, Adjustment [Member]
Royalty-Free Technology
Technology-Based Intangible Assets [Member]
Intangible asset, useful life
Finite-Lived Intangible Asset, Useful Life
Options
Share-Based Payment Arrangement, Option [Member]
Concentration Risk Type
Concentration Risk Type [Axis]
Weighted average remaining lease term - operating leases
Operating Lease, Weighted Average Remaining Lease Term
Total liabilities and stockholders’ equity
Liabilities and Equity
Trade accounts receivable, net from related parties
Accounts Receivable, Related Parties
Tax Period
Tax Period [Axis]
Forever Millets Limited
Forever Millets Limited [Member]
Forever millets limited.
Long-term or non-operating liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Total
Plan Name
Plan Name [Domain]
Other current liabilities
Other Liabilities, Current
Equity Method Investments
Equity Method Investments [Policy Text Block]
Deferred tax liabilities
Deferred tax liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities
ANP Technologies, Inc.,
ANP Technologies Incorporation
ANP Technologies Incorporation [Member]
ANP technologies incorporation.
Foreign
Deferred Foreign Income Tax Expense (Benefit)
Accounting standards update, adopted
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]
Foreign currency translation (loss) gain
Gain from translations
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
Discount
Measurement Input, Discount Rate [Member]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Statement of Operations Data:
Income Statement [Abstract]
Weighted-Average Exercise Price Per Shares, Exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price
Foreign
Non-US [Member]
Repayment of notes payable
Repayment Of Notes Payable
Repayment of notes payable.
Weighted average remaining lease term -finance leases
Finance Lease, Weighted Average Remaining Lease Term
Other long-term liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other
Percentage of preexisting equity interest
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage
Other adjustments related to net income
Business Acquisition, Other Adjustments Related to Net Income
Business acquisition, other adjustments related to net income.
Finance lease liabilities, short term
Finance Lease, Liability, Current
Operating and finance lease liabilities
Increase Decrease In Operating And Finance Lease Liabilities
Increase (decrease) in operating and finance lease liabilities.
Research and Development Credits and Depreciation Adjustments
Research And Development Credits And Depreciation Adjustments [Member]
Research and development credits and depreciation adjustments.
Total current liabilities
Liabilities, Current
Contract with Customer, Asset, after Allowance for Credit Loss, Current, Total
Contract assets
Contract with Customer, Asset, after Allowance for Credit Loss, Current
Business Combinations
Business Combinations Policy [Policy Text Block]
Net operating loss carryforwards
Operating Loss Carryforwards
2025
Lessee, Operating Lease, Liability, to be Paid, Year Three
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total
Comprehensive loss attributable to noncontrolling interest
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Business Acquisition, Acquiree
Business Acquisition, Acquiree [Domain]
Fair Value Measurements Recurring
Fair Value, Recurring [Member]
Interest Expense, Total
Interest expense
Interest Expense
Non-cancelable purchase obligations, payable within next twenty-four months
Recorded Unconditional Purchase Obligation, Due in Rolling Year Two
Allowance for credit losses
Allowance for credit losses at beginning of year
Allowance for credit losses at end of year
Accounts Receivable, Allowance for Credit Loss
Trade Name
Trade Names [Member]
Short-term lease cost
Short-Term Lease, Cost
Income Taxes
Income Tax, Policy [Policy Text Block]
Hanlin Gao
Chief Scientific Officer [Member]
Chief Scientific Officer [Member]
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Debt and Equity Securities, FV-NI [Line Items]
Preferred stock, shares authorized
Preferred Stock, Shares Authorized
Other Long-Term Assets
Other Noncurrent Assets [Member]
Other Receivables, Net, Current, Total
Other receivable
Other Receivables, Net, Current
Paul Kim
Chief Financial Officer [Member]
Less: Cash equivalents, Fair Value
Cash Equivalents
Cash equivalents.
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Cumulative Effect, Period of Adoption
Cumulative Effect, Period of Adoption [Axis]
Income Tax Expense (Benefit)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Weighted average discount rate - operating leases
Operating Lease, Weighted Average Discount Rate, Percent
Investment, Name
Investment, Name [Domain]
Proceeds from Issuance or Sale of Equity, Total
Net proceeds from sale of stock
Proceeds from Issuance or Sale of Equity
Type of Revenue [Extensible List]
Revenue, Product and Service [Extensible Enumeration]
Investment Secondary Categorization
Investment Secondary Categorization [Axis]
Entity Small Business
Entity Small Business
Royalty-Free Technology
Royalty Free Technology [Member]
Royalty-free technology.
Number of reporting segments
Number of Reportable Segments
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents
Collaborative Arrangement and Arrangement Other than Collaborative
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Summary of Revenue by Geographic Region
Revenue from External Customers by Geographic Areas [Table Text Block]
JEM Enterprise
J E M Enterprise [Member]
JEM enterprise.
Clinical Institutional Contracts
Clinical Institutional Contracts [Member]
Clinical institutional contracts.
Summary of Annual Amortization Expense For Acquisition-Related Intangibles
Finite-Lived Intangible Assets Amortization Expense [Table Text Block]
Equity and debt securities, Unrealized Losses
Available For Sale Securities Debt Equity Securities And Trading Securities Unrealized Loss Before Tax
Available for sale securities debt, equity securities and trading securities unrealized loss before tax.
U.S. agency Debt Securities
Agency Securities
Agency Securities [Member]
Customer Two
Customer Two [Member]
Customer two.
Area of lease
Area of Land
Total current assets
Assets, Current
Property Plant And Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Marketable and non-marketable securities, Unrealized Gains
Equity Securities Fv Ni Accumulated Gross Unrealized Gain Before Tax
Equity Securities Fv Ni Accumulated Gross Unrealized Gain Before Tax.
Fulgent Pharma Holdings
Fulgent Pharma Holdings, Inc
Fulgent Pharma Holdings Inc [Member]
Fulgent Pharma Holdings, Inc.
Weighted Average Number of Shares Outstanding, Basic, Total
Weighted-average common shares - outstanding, basic
Basic
Weighted Average Number of Shares Outstanding, Basic
Finance Lease, Liability, Total
Total
Finance Lease, Liability
City Area Code
City Area Code
Aggregate Intrinsic Value, Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Short-Term Marketable Securities
Short Term Debt Securities [Member]
Short term debt securities.
Latest Tax Year
Latest Tax Year [Member]
Overview and Basis of Presentation
Business Description and Basis of Presentation [Text Block]
Number of Units/Shares Subject to Options, Canceled
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period
Share-Based Payment Arrangement [Abstract]
Total liabilities
Liabilities
Document Period End Date
Document Period End Date
Equity Distribution Agreements
Equity Distribution Agreements Disclosure [Text Block]
Equity distribution agreements disclosure.
(Loss) income before gain on equity method investment
(Loss) income before gain on equity method investment
Income Loss Before Gain On Equity Method Investment
Income (Loss) before gain on equity method investment.
Schedule Of Finite Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Other permanent differences
Effective Income Tax Rate Reconciliation Other Permanent Differences
Effective income tax rate reconciliation other permanent differences.
Insurance Customer
Insurance Customer [Member]
Insurance customer.
Stock based compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan Disclosure [Line Items]
Weighted-Average Grant Date Fair Value, Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Debt securities, Amortized Cost Basis
Debt Securities, Available-for-Sale, Amortized Cost
Net operating loss carryforwards expiration ending year
Net Operating Loss Carryforwards Expiration Ending Year
Net operating loss carryforwards expiration ending year.
2023
Finite-Lived Intangible Asset, Expected Amortization, Year One
Statistical Measurement
Statistical Measurement [Axis]
Margin Account Borrowing
Margin Account Borrowing [Member]
Margin account borrowing.
Total
Other current assets
Other Assets, Current
Spatial Genomics, Inc.,
Spatial Genomics Inc [Member]
Spatial Genomics, Inc.,
Summaries of Goodwill and Acquisitions-Related Intangibles Balances
Schedule of Intangible Assets and Goodwill [Table Text Block]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Interest on loan withdrawn from margin account
Debt Instrument Interest Rate At Beginning Of Period
Debt Instrument Interest Rate at Beginning of Period.
Restructuring costs
Restructuring Costs
Restructuring Costs, Total
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance
Stockholders' Equity Attributable to Noncontrolling Interest, Total
Noncontrolling interest
Stockholders' Equity Attributable to Noncontrolling Interest
Thereafter
Finite-Lived Intangible Asset, Expected Amortization, after Year Five
Related Party
Related Party [Axis]
Total assets
Assets
State
State and Local Jurisdiction [Member]
Computer Software
Computer Software
Software Development [Member]
RSU assumed
Business Combination Number Of Shares Assumed
Business combination number of shares assumed.
Anti-dilutive Securities Excluded from Calculation of Diluted Income Per Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Equity Securities due After 5 Year through 10 Years
Debt Securities Due After Five Years Through Ten Years [Member]
Debt securities due after five years through ten years.
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Document Fiscal Period Focus
Document Fiscal Period Focus
Stock consideration in a business combination
Stock Consideration in Business Combination
Stock consideration in business combination.
Long Term Equity Securities
Long Term Equity Securities [Member]
Long Term Equity Securities [Member]
Total Current
Current Income Tax Expense (Benefit)
Trade accounts receivable
Increase (Decrease) in Accounts Receivable
Less: Valuation allowance
Valuation allowance
Deferred Tax Assets, Valuation Allowance
Preferred stock, $0.0001 par value per share, 1,000 shares authorized, no shares issued or outstanding
Preferred Stock, Value, Issued
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total
Equity-based compensation
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
2027
Finance Lease, Liability, to be Paid, Year Five
Interest and other income (expense), net
Interest Income (Expense), Net, Total
Interest and other (expense) income, net
Interest Income (Expense), Net
Deferred tax liabilities
Deferred Tax Liabilities, Gross [Abstract]
Operating Lease, Liability, Total
Total
Operating Lease, Liability
Net cash (used in) provided by financing activities
Net Cash Provided by (Used in) Financing Activities
Notes Payable, Total
Notes payable
Notes Payable
Contingent consideration payout related to a business acquisition
Payment for Contingent Consideration Liability, Investing Activities
Amortization of premium of marketable securities
Investment Income, Amortization of Premium
Statement of Financial Position [Abstract]
FF Gene Biotech
F F Gene Biotech [Member]
FF Gene Biotech Member.
Entity File Number
Securities Act File Number
Total lease payments
Finance Lease, Liability, to be Paid
Statement of Cash Flows [Abstract]
Marketable securities
Available For Sale Securities Debt Equity Securities And Trading Securities Current
Available for sale securities debt equity securities and trading securities current.
Balance Sheet Related Disclosures [Abstract]
Noncontrolling interest assumed related to acquisitions
Noncontrolling Interest, Increase from Business Combination
Thereafter
Lessee, Operating Lease, Liability, to be Paid, after Year Five
2026
Lessor, Operating Lease, Payment to be Received, Year Four
Debt, Commitments and Contingencies
Debt Commitments And Contingencies Disclosure [Text Block]
Debt, commitments and contingencies disclosure.
Acquisition of intellectual property
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination, Total
Borrowing under margin account
Proceeds from Issuance of Debt
Geographical
Geographical [Domain]
Unrecognized income tax benefit
Balance at beginning of year
Balance at end of year
Unrecognized Tax Benefits Excluding Interest Liability
Unrecognized tax benefits excluding interest liability.
Statistical Measurement
Statistical Measurement [Domain]
Statement of Stockholders' Equity [Abstract]
Auditor Location
Auditor Location
Notes payable, current portion
Notes Payable, Current, Total
Notes Payable, Current
Class of Stock
Class of Stock [Domain]
Revenue
Revenue Benchmark [Member]
Revenue Recognition
Revenue from Contract with Customer [Policy Text Block]
Legal Entity
Legal Entity [Axis]
Schedule of Operating and Finance Lease Expense
Lease, Cost [Table Text Block]
Stockholders' Equity Note [Abstract]
Ownership percentage
Equity interest to be made in joint venture
Equity Method Investment, Ownership Percentage
2016 Omnibus Incentive Plan
Two Thousand Sixteen Omnibus Incentive Plan [Member]
Two thousand sixteen omnibus incentive plan.
Subsequent Events [Abstract]
Cost of Revenue
Cost Of Revenue Policy [Text Block]
Cost of revenue.
Discount for Lack of Marketability
Measurement Input, Discount for Lack of Marketability [Member]
Stock purchase agreement, amount invested in stock
Payments to Acquire Equity Securities, FV-NI
Accounting Standards Update 2014-09
Accounting Standards Update 2014-09 [Member]
Weighted-Average Remaining Contractual Life (in years), Exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Proceeds from exercise of stock options
Proceeds from Stock Options Exercised
Proceeds from public offerings of common stock, net of issuance costs
Proceeds from Issuance of Common Stock
Deferred Income Tax Expense (Benefit), Total
Deferred taxes
Deferred Income Tax Expense (Benefit)
Leases
Lessor And Lessee Operating And Finance Leases [Text Block]
Lessor and lessee operating and finance leases.
Clinical Insurance Contracts
Clinical Insurance Contracts [Member]
Clinical insurance contracts.
Contingent consideration for business acquisition included in current liabilities
Noncash Or Part Noncash Contingent Consideration For Business Acquisition Included In Current Liabilities
Noncash or part noncash contingent consideration for business acquisition included in current liabilities
Major Classes of Fixed Assets
Property, Plant and Equipment [Table Text Block]
Prepaid income taxes
Prepaid Taxes
Concentrations of Credit Risk, Customers and Suppliers
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Number of customer types
Number Of Customer Types
Number of customer types.
Goodwill And Intangible Assets [Table]
Goodwill And Intangible Assets [Table]
Goodwill and intangible assets.
Maturities of marketable securities
Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities
Expenses to transport employees and supplies
Related Party Transaction, Expenses from Transactions with Related Party
U.S. Government Debt Securities
US Government Debt Securities [Member]
Preferred stock, par value
Preferred Stock, Par or Stated Value Per Share
Contract liabilities
Contract with Customer, Liability, Current
Debt securities, Unrealized Gains
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Unrecognized tax benefits
Unrecognized Tax Benefits Operating Activities
Unrecognized tax benefits operating activities.
Lessee Lease Description [Line Items]
Lessee, Lease, Description [Line Items]
Reagents and other supplies.
Reagents And Other Supplies [Member]
Reagents and Other Supplies
Credit Facility
Credit Facility [Domain]
Payable to share transfer agreement
Payable To Share Transfer Agreement
Payable To Share Transfer Agreement
Subsequent Event
Subsequent Events [Text Block]
Xilong Scientific
Xilong Scientific [Member]
Xilong Scientific Member.
Houston, Texas
TEXAS
General Equipment
General Equipment [Member]
General equipment.
Weighted Average Number of Shares Outstanding, Diluted, Total
Weighted-average common shares - outstanding, diluted
Diluted
Weighted Average Number of Shares Outstanding, Diluted
Fair value assets, transfers between levels, amount
Fair Value Assets Transfers Between Levels Amount
Fair value assets, transfers between levels, amount.
Laboratory Information System Platform
Laboratory Information System Platform [Member]
Laboratory information system platform.
Finite-Lived Intangible Assets, Major Class Name
Finite-Lived Intangible Assets, Major Class Name [Domain]
Credit Facility
Credit Facility [Axis]
Unrecognized compensation expense
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Accounts Receivable Allowance For Credit Losses [Line Items]
Accounts Receivable Allowance For Credit Losses [Line Items]
Accounts receivable allowance for credit losses.
Corporate Debt Securities
Corporate Debt Securities [Member]
Net income attributable to Fulgent
Business Acquisition, Pro Forma Net Income (Loss)
Computer Hardware
Computer Equipment [Member]
General and Administrative
General and Administrative Expense [Member]
Unrecognized compensation expense
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
Tax effects related to unrealized holding gains on available-for-sale debt securities
Tax Effects Related To Unrealized Holding Gains On Available For Sale Debt Securities
Tax effects related to unrealized holding gains on available for sale debt securities.
Current Fiscal Year End Date
Current Fiscal Year End Date
Related party costs
Related Party Costs
Inform Diagnostics
Inform Diagnostics [Member]
Inform Diagnostics.
Depreciation, Total
Depreciation expense on fixed assets
Depreciation
Financial Instruments [Domain]
2021 Equity Distribution Agreement
Two Thousand Twenty One Equity Distribution Agreement [Member]
Two thousand twenty one equity distribution agreement.
Foreign tax rate differential
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Repurchase of common stock, Shares
Number of shares repurchased
Stock Repurchased During Period, Shares
Other long-term assets
Other Assets, Noncurrent
Total stockholders’ equity
Beginning Balance
Ending Balance
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Entity Address, Address Line One
Entity Address, Address Line One
Finance leases term of expiration
Finance Leases Term Of Expiration
Finance Leases Term Of Expiration
Intangible assets
Deferred Tax Liabilities, Intangible Assets
Purchases of fixed assets in notes payable
Noncash Or Part Noncash Purchase of Fixed Assets in Notes Payable
Noncash or part noncash purchase of fixed assets in notes payable.
Noncontrolling Interest
Noncontrolling Interest [Member]
Document Annual Report
Document Annual Report
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Quarterly Financial Information Disclosure [Abstract]
Finite-Lived Intangible Assets by Major Class
Finite-Lived Intangible Assets by Major Class [Axis]
Supplemental disclosures of cash flow information:
Supplemental Cash Flow Information [Abstract]
Short-Term Equity Securities
Short Term Equity Securities [Member]
Short term equity securities.
Redeemable Preferred Stock Investment
Redeemable Preferred Stock Investment Policy [Text Block]
Redeemable preferred stock investment.
(Benefit from) provision for income taxes
Total income tax expense
Provision for income taxes
Income Tax Expense (Benefit)
Exchange Traded Funds
Exchange Traded Funds [Member]
Operating lease liabilities
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Operating Lease Liabilities
Business combination recognized identifiable assets acquired and liabilities assumed operating lease liabilities.
Years subject to income tax examination
Open Tax Year
Finance Lease
Finance Lease, Liability, to be Paid [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Lease liability
Deferred Tax Assets Lease Liability
Deferred tax assets lease liability.
Preferred stock, shares issued
Preferred Stock, Shares Issued
Balance Sheet Location
Balance Sheet Location [Domain]
Payments to Acquire Property, Plant, and Equipment, Total
Purchases of fixed assets
Payments to Acquire Property, Plant, and Equipment
Stock based compensation
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent
Income Tax Disclosure [Abstract]
Research development service.
Research Development Service [Member]
Research Development Service
U.S. Treasury Bills
U S Treasury Bill Securities
US Treasury Bill Securities [Member]
Issuance of common stock, Shares
Stock Issued During Period, Shares, New Issues
Earliest Tax Year
Earliest Tax Year [Member]
Building Improvements
Building Improvements [Member]
Other
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Cytometry Specialists, Inc
Cytometry Specialists Inc [Member]
Cytometry Specialists, Inc.
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total
Restricted stock awards
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures
Accounts payable to related parties
Accounts Payable, Related Parties
Weighted-average common shares:
Weighted Average Common Shares [Abstract]
Weighted average common shares.
Lessee operating lease extended lease term expiration date
Lessee Operating Lease Extended Lease Term Expiration Date
Lessee operating lease extended lease term expiration date.
Variable lease income
Operating Lease, Variable Lease Income
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Axis]
Noncontrolling interest
Business Combination,Fair value of noncontrolling interest
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value
Goodwill and Intangible Assets Disclosure [Abstract]
Excess tax basis in FF Gene Biotech net assets
Deferred Tax Assets, Excess Tax Basis In Net Assets
Deferred Tax Assets, Excess Tax Basis In Net Assets
Investment in equity-method investees
Payments to Acquire Equity Method Investments
Equity-Based Compensation
Share-Based Payment Arrangement [Policy Text Block]
2023
Lessor, Operating Lease, Payment to be Received, Year One
Auditor Name
Auditor Name
Disclosure Text Block Supplement [Abstract]
Equity [Abstract]
2026
Finance Lease, Liability, to be Paid, Year Four
Contract with customer liability, revenue recognized
Contract with Customer, Liability, Revenue Recognized
General and Administrative Expenses
Selling, General and Administrative Expenses, Policy [Policy Text Block]
Bond Funds
Bond Funds [Member]
Bond funds.
Weighted-Average Exercise Price Per Shares, Canceled
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Operating (loss) income
Operating income (loss)
Operating income
Operating (loss) income
Building
Building [Member]
Related Party
Related Party [Domain]
Additional paid-in capital
Additional Paid in Capital, Common Stock
Thereafter
Finance Lease, Liability, to be Paid, after Year Five
AHMC Healthcare Inc.
A H M C Healthcare Inc [Member]
AHMC healthcare Inc.
Cash, net of cash received
Cash, net of cash received
Acquisition of businesses, net of cash acquired
Concentration Risk Benchmark
Concentration Risk Benchmark [Domain]
Entity Filer Category
Entity Filer Category
Purchase of marketable securities
Payments to Acquire Marketable Securities
Weighted-Average Grant Date Fair Value, Exercised
Share Based Compensation Arrangements By Share Based Payment Award Options Exercised In Period Weighted Average Grant Date Fair Value
Share based compensation arrangements by share based payment award options exercised in period weighted average grant date fair value.
Maturities of marketable securities
Proceeds from Sale and Maturity of Marketable Securities
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Summary of Significant Accounting Policies [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total
Fixed assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
Total operating expenses
Operating Expenses
(Gain) loss on equity-method investments
Gain Loss On Equity Method Investment
Gain on equity method investment.
Entity Current Reporting Status
Entity Current Reporting Status
Net exchange differences
Goodwill, Foreign Currency Translation Gain (Loss)
State
Current State and Local Tax Expense (Benefit)
ICFR Auditor Attestation Flag
ICFR Auditor Attestation Flag
Share-Based Payment Arrangement, Noncash Expense [Abstract]
Common stock withholding for employee tax obligations, Shares
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation
Stock Repurchase Program
Stockholders' Equity Note Disclosure [Text Block]
Business Combinations [Abstract]
Finite-Lived Intangible Assets, Net, Ending Balance
Finite-Lived Intangible Assets, Net, Beginning Balance
Acquisitions-related intangibles, net
Intangible assets, net
Finite-Lived Intangible Assets, Net
Lease income
Operating Lease, Lease Income, Lease Payments
Stockholders' Equity Attributable to Parent, Ending Balance
Stockholders' Equity Attributable to Parent, Beginning Balance
Total Fulgent stockholders' equity
Stockholders Equity
Stockholders' Equity Attributable to Parent
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent [Member]
Purchases of fixed assets in accounts payable
Noncash or Part Noncash Acquisition, Fixed Assets Acquired
Income Taxes [Table]
Income Taxes [Table]
Income taxes.
Documents Incorporated by Reference
Documents Incorporated by Reference [Text Block]
Entity Tax Identification Number
Entity Tax Identification Number
Reagents and supplies
Reagents And Supplies Current
Reagents and supplies current.
Income Statement Location
Income Statement Location [Axis]
Number of Shares, Forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Common stock, $0.0001 par value per share, 50,000 shares authorized, 31,248 shares issued and 29,438 shares outstanding and 30,160 shares issued and outstanding
Common Stock, Value, Issued
Retained Earnings (Accumulated Deficit), Total
Retained earnings
Retained Earnings (Accumulated Deficit)
Cumulative Effect, Period of Adoption
Cumulative Effect, Period of Adoption [Domain]
Stockholders' Equity
Equity Components [Axis]
Acquisition related transaction costs
Business Combination, Acquisition Related Costs
Accounting Standards Update
Accounting Standards Update [Domain]
ASU 2016-13
Accounting Standards Update 2016-13 [Member]
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Customer Deposit
Customer Deposit Policy [Text Block]
Customer deposit.
Prepaid Expense, Current, Total
Prepaid expenses
Prepaid Expense, Current
Leases [Abstract]
Purchases of intangible assets
Payments to Acquire Intangible Assets
Customer Relationships
Customer Relationships [Member]
Disaggregation Of Revenue [Table]
Disaggregation of Revenue [Table]
Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Share based compensation allocation of recognized period costs.
Entity Emerging Growth Company
Entity Emerging Growth Company
Related Party Transaction
Related Party Transaction [Axis]
Schedule Of Business Acquisitions By Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Operating expenses:
Operating Expenses [Abstract]
Other Significant Balance Sheet Accounts
Other Current Assets [Text Block]
Net income per common share, diluted
Diluted
Income (Loss) from Continuing Operations, Per Diluted Share
Number of Units/Shares Subject to Options, Exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number
Federal
Current Federal Tax Expense (Benefit)
Goodwill [Line Items]
Section 174 research & experimental expenditures
Deferred Tax Assets, Research and Experimental Expenditures
Deferred tax assets, research and experimental expenditures.
Customer One
Customer One [Member]
Customer one.
Foreign currency translation loss (gain) attributable to noncontrolling interest
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest
Cost of Revenue, Total
Cost of revenue
Cost of Revenue
Expected term (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term
Net loss on marketable securities
Marketable Securities, Gain (Loss)
Unconditional Purchase Obligation, Category of Goods or Services Acquired
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Provision for credit losses
Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss
Operating Leases
Lessee, Operating Lease, Liability, to be Paid [Abstract]
Selling and Marketing Expense, Total
Selling and marketing
Selling and Marketing Expense
Investment, Name
Investment, Name [Axis]
Entity Voluntary Filers
Entity Voluntary Filers
Federal
Deferred Federal Income Tax Expense (Benefit)
Percentage of effective investment
Increase In Equity Method Investment Ownership Percentage
Increase in equity method investment ownership percentage.
Retirement Benefits [Abstract]
Debt instrument, interest rate terms
Debt Instrument, Description
Document Transition Report
Document Transition Report
Number of shares sold
Sale of Stock, Number of Shares Issued in Transaction
Total equity securities, debt securities and cash equivalents
Assets, Fair Value Disclosure
Equity Distribution Agreements [Table]
Equity Distribution Agreements [Table]
Equity distribution agreements.
Summary of Income (Loss) Before Income Taxes and Equity Loss in Investee and Gain (Loss) on Equity-Method Investments
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Weighted-Average Grant-Date Fair Value, Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Depreciation, Depletion and Amortization, Total
Depreciation and amortization
Depreciation, Depletion and Amortization
Impairment, Long-Lived Asset, Held-for-Use, Total
Impairment losses of long-lived assets
Impairment, Long-Lived Asset, Held-for-Use
Income Taxes [Line Items]
Income Taxes [Line Items]
Income taxes.
Schedule Of Segment Reporting Information By Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total
Restricted stock awards, Shares
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures
Selling price per share
Sale of Stock, Price Per Share
Weighted-Average Exercise Price Per Shares, Exercised
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Foreign loss before income taxes, equity loss in investee and gain (loss) on equity-method investments
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Effect of exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations
Number of Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Tax Period
Tax Period [Domain]
Trade accounts receivable, net of allowance for credit losses of $41,205 and $11,217
Accounts Receivable, after Allowance for Credit Loss, Current, Total
Accounts Receivable, after Allowance for Credit Loss, Current
Marketable Securities
Marketable Securities, Policy [Policy Text Block]
Schedule of Future Fixed Lease Payments from Tenants for All Noncancelable Operating Leases
Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block]
Unrealized gains or losses
Unrealized (losses) gains
Debt Securities, Available-for-Sale, Unrealized Gain (Loss), Total
Debt Securities, Available-for-Sale, Unrealized Gain (Loss)
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Purchased Patent
Purchased Patent [Member]
Purchased patent.
State
Deferred State and Local Income Tax Expense (Benefit)
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]
Other comprehensive gain (loss), net
Other Comprehensive Income (Loss), Net of Tax, Total
Other Comprehensive Income (Loss), Net of Tax
Equity loss in investment
Deferred Tax Assets, Equity Method Investments
Net (loss) income attributable to Fulgent
Net income attributable to Fulgent
Net Income (Loss) Attributable to Parent
Fair Value Measurements
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]
Jian Xie
President And Chief Operating Officer [Member]
President And Chief Operating Officer [Member]
Operating lease liabilities, short term
Operating Lease, Liability, Current
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Collaborative Arrangement and Arrangement Other than Collaborative
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Preferred Stock Of Privately Held Company
Preferred Stock Of Privately Held Company [Member]
Preferred Stock Of Privately Held Company [Member]
Common stock withholding for employee tax obligations
Payment, Tax Withholding, Share-Based Payment Arrangement
Taxes Payable, Current, Total
Income tax payable
Taxes Payable, Current
Deferred Tax Assets, Operating Loss Carryforwards, Total
Net operating losses
Deferred Tax Assets, Operating Loss Carryforwards
Automobile
Automobile [Member]
Automobile.
Non-cancelable purchase obligations, payable within twelve months
Recorded Unconditional Purchase Obligation, Due in Next Rolling 12 Months
Research & development credit
Effective Income Tax Rate Reconciliation Tax Credits Research And Development
Effective Income Tax Rate Reconciliation Tax Credits Research And Development
Entity Registrant Name
Entity Registrant Name
Cash and Cash Equivalents, at Carrying Value, Total
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Income per Share
Earnings Per Share [Text Block]
Summary of Weighted-Average Assumptions Used to Estimate Fair Value of Options to Acquire Shares of Company's Common Stock
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Class of Stock
Class of Stock [Axis]
Marketable and non-marketable securities, Unrealized Losses
Equity Securities Fv Ni Accumulated Gross Unrealized Loss Before Tax
Equity securities fv ni accumulated gross unrealized loss before tax.
Clinical Patient Contracts
Clinical Patients Contracts [Member]
Clinical patients contracts.
Lessee Lease Description [Table]
Lessee, Lease, Description [Table]
Share-Based Payment Arrangement, Noncash Expense, Total
Equity-based compensation
Share-Based Payment Arrangement, Noncash Expense
Statement of Comprehensive Income [Abstract]
Fixed assets, net
Fixed assets, net
Property, Plant and Equipment, Net
Amortization of ROU assets
Finance Lease, Right-of-Use Asset, Amortization
Award Type
Award Type [Domain]
Statement [Line Items]
Statement [Line Items]
HSRA COVID-19 Uninsured Program
Health Resources And Services Administration C O V I D Nineteen Uninsured Program [Member]
Health Resources and Services Administration COVID-19 uninsured program.
Common stock shares holdback as partial security for indemnification obligations
Common Stock Shares Holdback as Partial Security for Indemnification Obligations
Common stock shares holdback as partial security for indemnification obligations.
ANP Technologies Inc
A N P Technologies Inc [Member]
ANP technologies inc [Member].
Title of 12(b) Security
Title of 12(b) Security
Finite-Lived Intangible Assets, Gross, Total
Intangibles
Acquisitions-related intangibles, gross
Finite-Lived Intangible Assets, Gross
Current:
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Increase (Decrease) in Accounts Payable, Total
Accounts payable
Increase (Decrease) in Accounts Payable
Ownership [Domain]
Common Stock
Stockholders' Equity
Common Stock [Member]
Cash flow from operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Equity Component
Equity Component [Domain]
Insurance revenue for services related to claims
Revenue from contracts with customers by payor type
Revenue
Income before income taxes and gain on equity method investment
(Loss) Income before income taxes, equity loss in investee and gain (loss) on equity-method investments
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Less imputed interest
Finance Lease, Liability, Undiscounted Excess Amount
Entity Address, State or Province
Entity Address, State or Province
Maturities of marketable securities in other current assets
Maturities Of Marketable Securities In Other Current Assets
Maturities of marketable securities in other current assets.
Purchase of COVID-19 antigen rapid tests kits and licensing and development services from related party
Purchased from related parties
Related Party Transaction, Purchases from Related Party
2026
Lessee, Operating Lease, Liability, to be Paid, Year Four
November 2020 Equity Distribution Agreement
November Two Thousand Twenty Equity Distribution Agreement [Member]
November two thousand twenty equity distribution agreement.
Geographical
Geographical [Axis]
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Net (decrease) increase in cash and cash equivalents
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Comprehensive income from consolidated operations
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Document Type
Document Type
Summary of Unaudited Pro Forma Financial Information
Business Acquisition, Pro Forma Information [Table Text Block]
Proceeds from sale of marketable securities
Proceeds From Sale Of Marketable Securities
Proceeds from maturity of marketable securities.
2019 Underwriting Agreement
Two Thousand Nineteen Underwriting Agreement [Member]
2019 Underwriting agreement.
Institutional Customer
Institutional Customer [Member]
Institutional customer.
United States
UNITED STATES
Considerations
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination [Abstract]
Income before gain on equity method investment
Income before equity loss in investee and gain (loss) on equity-method investments
Income Loss Before Equity Loss In Investee And Gain Loss On Equity Method Investments
Income (loss) before equity loss in investee and gain (loss) on equity method investments.
Receivables [Abstract]
Redeemable Preferred Stock Investment
Redeemable Preferred Stock [Member]
Trade Accounts Receivable and Allowance for Credit Losses
Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]
Entity Shell Company
Entity Shell Company
Other employees
Other Employee [Member]
Other Employee [Member]
Equity-based compensation expense
Share-Based Payment Arrangement, Expense
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Fair Value of Financial Instruments
Fair Value of Financial Instruments, Policy [Policy Text Block]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net operating loss carryforwards expiration beginning year
Net Operating Loss Carryforwards Expiration Beginning Year
Net operating loss carryforwards expiration beginning year.
Accrued vacation and other accrued expenses
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
Total equity trading securities
Marketable and non-marketable securities, Aggregate Fair Value
Equity Securities, FV-NI, Current
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value, Recurring and Nonrecurring [Table]
Debt Securities
Debt Securities [Member]
Accrual for interests
Unrecognized Tax Benefits, Interest on Income Taxes Accrued
Debt Commitments And Contingencies [Table]
Debt Commitments And Contingencies [Table]
Debt, commitments and contingencies.
Stockholders’ equity
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Security Exchange Name
Security Exchange Name
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Finance lease liabilities, long term
Finance Lease, Liability, Noncurrent
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Expected to be recognized, weighted-average period
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Weighted-Average Remaining Contractual Life (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Outstanding borrowing amount
Investment margin loan
Investment Margin Liabilities Current
Investment margin liabilities current.
Debt instrument, interest rate
Debt Instrument, Interest Rate, Effective Percentage
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Deferred tax assets
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets
Consultants
Consultants [Member]
Consultants.
Common stock withholding for employee tax obligations
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation
Finance lease liabilities
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Finance Lease Liabilities
Business combination recognized identifiable assets acquired and liabilities assumed finance lease liabilities.
Operating lease cost
Operating Lease, Cost
Restricted Stock Units
Restricted Stock Units (RSUs)
Restricted Stock Units (RSUs) [Member]
Reconciliation of Gross Unrecognized Tax Benefits
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Principles of Consolidation
Consolidation, Policy [Policy Text Block]
Contract Liabilities
Contract Liabilities Policy [Text Block]
Contract Liabilities.
2024
Finance Lease, Liability, to be Paid, Year Two
Revenue
Business Acquisition, Pro Forma Revenue
Operating leases term of expiration
Operating Leases Term Of Expiration
Operating leases term of expiration.
Change in valuation allowance
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Summary of Activity for RSUs Relating to Shares of Company's Common Stock
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Identifiable intangible assets
Identifiable intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Summary of Activity for Options to Acquire Common Shares
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Minority interest ownership percentage
Noncontrolling Interest, Ownership Percentage by Parent
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Level 2
Fair Value, Inputs, Level 2 [Member]
Marketable securities
Debt Securities, Available-for-Sale, Total
Total debt securities
Debt securities, Aggregate Fair Value
Cash flow from investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Share Based Compensation Allocation Of Recognized Period Costs [Table]
Share Based Compensation Allocation Of Recognized Period Costs [Table]
Share based compensation allocation of recognized period costs.
Summary of Equity and Debt Securities
Schedule Of Available For Sale Debt Securities And Equity Trading Securities Reconciliation Table [Text Block]
Schedule of available for sale debt securities and equity/trading securities reconciliation.
Increases for current year positions
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Commitments and contingencies (Note 8)
Commitments and Contingencies
Recognized amounts of identifiable assets acquired and liabilities assumed, net
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Common stock, shares issued
Beginning Balance, Shares
Ending Balance, Shares
Common Stock, Shares, Issued
Income tax payable
Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable
Due to related parties
Due to Related Parties, Current, Total
Due to related parties
Due to Related Parties, Current
Tax effects related to unrealized holding loss on available-for-sale debt securities
Tax Effects Related To Unrealized Holding Loss On Available For Sale Debt Securities
Tax effects related to unrealized holding loss on available for sale debt securities.
Practical expedient not to disclose amount of transaction price allocated to unsatisfied performance obligations
Revenue, Remaining Performance Obligation, Optional Exemption, Performance Obligation [true false]
Lease, expiration month and year
Lease Expiration Month And Year
Lease, expiration month and year.
Short-Term Marketable Securities
Short Term Marketable Securites [Member]
Short-term marketable securites.
Percentage of commission to be paid from gross proceeds
Percentage Of Commission To Be Paid From Gross Proceeds
Percentage of commission to be paid from gross proceeds.
Minimum
Minimum
Minimum [Member]
Uncertain tax positions
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent
Leases
Lessee, Leases [Policy Text Block]
Accounting Standards Update
Accounting Standards Update [Axis]
Accrued Liabilities, Current, Total
Accrued liabilities
Accrued Liabilities, Current
Debt Instrument
Debt Instrument [Axis]
State taxes
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Cumulative tax effect of accounting change
Income Tax Effects Allocated Directly to Equity, Cumulative Effect of Change in Accounting Principle
Remaining terms including renewal options
Lessor Operating Lease Remaining Term Of Contract Including Renewal Options
Lessor, operating lease, remaining term of contract including renewal options.
Foreign Currency Translation and Foreign Currency Transactions
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Weighted-Average Grant-Date Fair Value, Forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Diluted earnings per common share attributable to Fulgent
Business Acquisition, Pro Forma Earnings Per Share, Diluted
Amortization of intangible assets
Amortization of Intangible Assets
Award Type
Award Type [Axis]
Other Noncash Income (Expense), Total
Other
Other Noncash Income (Expense)
Subsequent Event
Subsequent Event [Member]
Services
Services [Member]
Services.
Total Considerations
Total purchase price payable
Purchase price for effective investment
Business Combination, Consideration Transferred
Additional costs expected to be incurred
Restructuring and Related Cost, Expected Cost
Restructuring and Related Cost, Expected Cost, Total
Related Party Transaction [Domain]
Gross deferred tax assets
Deferred Tax Assets, Gross
Schedule of Supplemental Information Related to Leases
Schedule Of Supplemental Information Related To Leases Table [Text Block]
Schedule of supplemental information related to leases.
Impairment of Long-Lived Assets
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Research and Development Expense, Total
Research and development
Research and Development Expense
Total lease payments
Lessee, Operating Lease, Liability, to be Paid
Schedule of Operating and Finance Lease Right-of-Use Asset, Short-term Lease Liabilities, and Long-term Lease Liabilities
Schedule Of Lease Right Of Use Asset Short Term Lease Liabilities And Long Term Lease Liabilities Table [Text Block]
Schedule of lease right-of-use asset, short-term lease liabilities, and long-term lease liabilities.
Marketable and non-marketable securities, Amortized Cost Basis
Equity Securities, FV-NI, Cost
Entity Central Index Key
Entity Central Index Key
Entity Central Index Key
Increase in valuation allowance
Change in valuation allowance
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount
Gross unrealized loss
Available For Sale Debt Securities And Equity Trading Securities Gross Unrealized Loss
Available for sale debt securities and equity/trading securities gross unrealized loss.
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Finance lease right-of-use assets obtained in exchange for lease liabilities
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability
Weighted-Average Grant Date Fair Value, Canceled
Share Based Compensation Arrangements By Share Based Payment Award Options Canceled In Period Weighted Average Grant Date Fair Value
Share based compensation arrangements by share based payment award options canceled in period weighted average grant date fair value.
Customer
Customer [Axis]
Accounting Policies [Abstract]
Accrued liabilities and other liabilities
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
Ming Hsieh, the Chief Executive Officer and Chairman
Ming Hsieh, the Chief Executive Officer and Chairman [Member]
Ming Hsieh, the Chief Executive Officer and Chairman.
Investments, Debt and Equity Securities [Abstract]
Disaggregation Of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total
Finance lease ROU asset, net
Finance Lease, Right-of-Use Asset, after Accumulated Amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Less: Accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Schedule Of Property Plant And Equipment [Table]
Property, Plant and Equipment [Table]
Expected volatility
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Equity and debt securities, Amortized Cost Basis
Available For Sale Securities Debt Equity Securities And Trading Securities Amortized Cost Basis
Available for sale securities debt, equity securities and trading securities amortized cost basis.
Weighted average discount rate - finance leases
Finance Lease, Weighted Average Discount Rate, Percent
Measurement Frequency
Measurement Frequency [Axis]
Equity-Based Compensation
Share-Based Payment Arrangement [Text Block]
Total lease income
Operating Lease, Lease Income
Contingent consideration
Business Combination, Contingent Consideration, Liability, Current
Subsequent Event [Table]
Subsequent Event [Table]
General and Administrative Expense, Total
General and administrative
General and Administrative Expense
Installment Sale Contract
Installment Sale Contract [Member]
Instalment Sale Contract.
Gain on equity method investment
Gain (loss) on equity-method investments
Gain Loss On Equity Method Investments
Gain (loss) on equity method investments.
Measurement Input Type
Measurement Input Type [Domain]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Weighted-Average Exercise Price Per Shares, Beginning Balance
Weighted-Average Exercise Price Per Shares, Ending Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Undiscounted amounts required to pay under contingent consideration agreement, maximum
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Principal paid for finance leases
Finance Lease, Principal Payments
Research and Development
Research and Development Expense [Member]
Total lease cost
Lease, Cost
Operating lease right-of-use assets obtained in exchange for lease liabilities
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Investments by Secondary Categorization
Investments by Secondary Categorization [Domain]
Retained Earnings (Accumulated Deficit)
Retained Earnings [Member]
Write-downs
Accounts Receivable, Allowance for Credit Loss, Writeoff
Equity loss in investee
Equity earnings (loss) in investee
Equity loss in investee
Income (Loss) from Equity Method Investments
Customer
Customer [Domain]
Money Market Accounts
Money Market Funds [Member]
Segment Reporting [Abstract]
Customer deposit
Customer Deposit
Customer deposit.
Measurement Input Type
Measurement Input Type [Axis]
Effective Income Tax Rate Reconciliation, Percent, Total
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Schedule of Goodwill [Table]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
2019 Equity Distribution Agreement
Two Thousand Nineteen Equity Distribution Agreement [Member]
Two thousand nineteen equity distribution agreement.
Total compensation cost not yet recognized on grant date
Employee Service Share Based Compensation Nonvested Awards Compensation Cost Not Yet Recognized Share Based Awards Other Than Options On Grant Date
Employee service share-based compensation nonvested awards, compensation cost not yet recognized, share-based awards other than options on grant date.
Stock consideration in a business combination
Stock
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable
Property, Plant and Equipment, Gross, Ending Balance
Property, Plant and Equipment, Gross, Beginning Balance
Property, Plant and Equipment, Gross, Total
Fixed assets, gross
Property, Plant and Equipment, Gross
Goodwill acquired during year
Goodwill, Acquired During Period
Basic earnings per common share attributable to Fulgent
Business Acquisition, Pro Forma Earnings Per Share, Basic
Entity Interactive Data Current
Entity Interactive Data Current
Entity Public Float
Entity Public Float
Related Party
Related Party Transactions Disclosure [Text Block]
Receivable from broker marketable securities
Receivable From Broker For Marketable Securities
Receivable From Broker For Marketable Securities
Preferred stock, redemption date
Preferred Stock, Redemption Date
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Ending Balance
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Beginning Balance
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Total
Credit losses
Debt Securities, Available-for-Sale, Allowance for Credit Loss
Golden Millets
Golden Millets [Member]
Golden millets
Related Party Transactions [Abstract]
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]
2023
Lessee, Operating Lease, Liability, to be Paid, Year One
Payable balance, expected paid off date
Payable Balance Expected To Be Paid Off Date
Payable balance expected to be paid off date.
Provision for credit losses
Accounts Receivable, Credit Loss Expense (Reversal)
Leasehold Improvements
Leasehold Improvements [Member]
Deferred:
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Assets Not Yet Placed in Service
Assets Not Yet Placed In Service [Member]
Assets not yet placed in service.
Local Phone Number
Local Phone Number
Tax provision at federal statutory rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Unrecognized Tax Benefits, Ending Balance
Unrecognized Tax Benefits, Beginning Balance
Unrecognized tax benefits
Unrecognized Tax Benefits
Percentage of ownership
Percentage of Share Owned by Related Party
Percentage of share owned by related party.
Information about Financial Assets Measured at Fair Value on Recurring Basis Based on Three-Tier Fair Value Hierarchy
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Reconciliation of the Basic and Diluted Income Per Share Computations
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Fulgent Pharma
Fulgent Pharma Holdings
Fulgent Pharma Holdings [Member]
Fulgent Pharma Holdings.
Restricted stock units vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Interest rate
Debt Instrument Interest Rate At End Of Period
Debt instrument interest rate at end of period.
Tax benefit realized
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit
Net loss attributable to noncontrolling interest
Net Income (Loss) Attributable to Noncontrolling Interest, Total
Net loss attributable to noncontrolling interests
Net Income (Loss) Attributable to Noncontrolling Interest
Unaudited Quarterly Data
Quarterly Financial Information [Table Text Block]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
2024
Lessor, Operating Lease, Payment to be Received, Year Two
Gain recognized on preexisting investment
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain
Public offerings costs included in accounts payable
Noncash Or Part Noncash Public Offering Costs Included In Accounts Payable
Noncash or part noncash public offering costs included in accounts payable.
Municipal Bonds
Municipal Bonds [Member]
Discount Owed to Market Participant Acquisition Premium
Measurement Input Discount Owed To Market Participant Acquisition Premium [Member]
Measurement input discount owed to market participant acquisition premium.
Summary of Revenue from Contracts with Customers by Payor Type
Disaggregation of Revenue [Table Text Block]
Number of Units/Shares Subject to Options, Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
Non-cancelable purchase obligations, payable within next thirty-six months
Recorded Unconditional Purchase Obligation, Due in Rolling Year Three
Other long-term liabilities
Other Liabilities, Noncurrent
Roll-Forward of Activity in Allowance for Credit Losses
Schedule Of Allowance For Doubtful Accounts On Accounts Receivable Table [Text Block]
Schedule of allowance for doubtful accounts on accounts receivable.
Payments for closing of escrow, financed under margin loan
Payments For Closing Of Escrow Financed Under Margin Loan
Payments for closing of escrow, financed under margin loan.
Income Statement Location
Income Statement Location [Domain]
Marketable securities interest receivable
Marketable Securities Interest Receivable Current
Marketable securities interest receivable current.
Selling, General and Administrative Expenses
Selling, General and Administrative Expenses [Member]
Property, Plant and Equipment [Abstract]
Number of Shares, Beginning Balance
Number of Shares, Ending Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Selected Quarterly Financial Information (Unaudited)
Quarterly Financial Information [Text Block]
Customer Concentration Risk
Customer Concentration Risk [Member]
Number of Units/Shares Subject to Options, Beginning Balance
Number of Units/Shares Subject to Options, Ending Balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Debt Instrument, Name
Debt Instrument, Name [Domain]
Document Fiscal Year Focus
Document Fiscal Year Focus
Intangible assets, net
Total intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Public offerings proceeds in other receivable included in other current assets
Noncash Or Part Noncash Public Offering Proceeds In Other Receivable Included In Other Current Assets
Noncash or part noncash public offering proceeds in other receivable included in other current assets.
Purchase Obligation, Total
Non-cancelable purchase obligations
Purchase Obligation
Summary of Consideration Paid and Amount of Assets Acquired and Liabilities Assumed
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
2024
Lessee, Operating Lease, Liability, to be Paid, Year Two
Interest and other income, net
Interest and Other Income
Net income per common share, basic
Basic
Income (Loss) from Continuing Operations, Per Basic Share
Income taxes paid
Income Taxes Paid
Retirement Plans
Compensation and Employee Benefit Plans [Text Block]
Goodwill, Ending Balance
Goodwill, Beginning Balance
Goodwill, Gross
Assets
Assets [Abstract]
Long-Term Marketable Securities
Long Term Marketable Securities [Member]
Long-term marketable securities.
Net deferred tax assets
Deferred Tax Assets, Net
Other adjustments related to revenue
Business acquisition, other Adjustments Related to Revenue.
Business acquisition, other adjustments related to revenue.
Gross profit
Gross Profit
Proceeds from noncontrolling interest
Proceeds from Noncontrolling Interests
Fulgent Pharma LLC
Fulgent Pharma Limited Liability Company [Member]
Fulgent Pharma Limited Liability Company.
Total
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest
Reagents and Supplies
Reagents And Supplies Policy [Text Block]
Reagents and supplies.
Series A Preferred Stock
Series A Preferred Stock [Member]
Financial Instrument [Axis]
Equity and debt securities, Aggregate Fair Value
Available For Sale Securities Debt Equity Securities And Trading Securities
Available for sale securities debt equity securities and trading securities.
Depreciation
Deferred Tax Liabilities Depreciation
Deferred tax liabilities depreciation.
Long-Lived Tangible Asset
Long-Lived Tangible Asset [Axis]
Percentage of acquisition of outstanding equity
Percentage of acquisition of outstanding equity
Business Acquisition, Percentage of Voting Interests Acquired
Concentration Risk Benchmark
Concentration Risk Benchmark [Axis]
Liabilities and Stockholders’ Equity
Liabilities and Equity [Abstract]
Land
Land [Member]
Fixed Assets
Property, Plant and Equipment, Policy [Policy Text Block]
Income Tax Authority
Income Tax Authority [Axis]
Net deferred tax assets
Deferred Tax Assets, Net of Valuation Allowance
Net (loss) income from consolidated operations
Net income (loss)
Net income from consolidated operations
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Current assets
Assets, Current [Abstract]
2026
Finite-Lived Intangible Asset, Expected Amortization, Year Four
2024
Finite-Lived Intangible Asset, Expected Amortization, Year Two
Net working capital
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net Working Capital
Business combination recognized identifiable assets acquired and liabilities assumed net working capital.
Reporting Segment and Geographic Information
Segment Reporting Disclosure [Text Block]
Revenue from related parties
Revenue from Related Parties
Software
Software [Member]
Software.
Marketable securities, long-term
Debt Securities, Available-for-Sale, Noncurrent
Summary of Elements of Deferred Tax Assets (Liabilities)
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Summary of Carrying Amount of Goodwill
Schedule of Goodwill [Table Text Block]
Other
Deferred Tax Liabilities, Other
In-Place Lease Intangible Assets
In-Place Lease Intangible Assets [Member]
In-place lease intangible assets.
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Domain]
Software for Internal Use
Internal Use Software, Policy [Policy Text Block]
Increases to prior year positions
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Company matching contributions to the 401(k) plan
Defined Contribution Plan, Employer Discretionary Contribution Amount
Measurement Frequency
Measurement Frequency [Domain]
Intangible Assets
Intangible Assets, Finite-Lived, Policy [Policy Text Block]
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Entity
Entity [Domain]
September 2020 Equity Distribution Agreement
September Two Thousand Twenty Equity Distribution Agreement [Member]
September two thousand twenty equity distribution agreement.
U.S. income before income taxes, equity loss in investee and gain (loss) on equity-method investments
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Equity and Debt Securities
Investments in Debt and Equity Instruments, Cash and Cash Equivalents, Unrealized and Realized Gains (Losses) [Text Block]
Cover [Abstract]
Concentration risk, percentage
Concentration Risk, Percentage
Finance lease cost:
Finance Leases Cost [Abstract]
Finance leases cost.
Weighted-Average Amortization Period
Estimated amortization life of identified intangible assets assumed
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life
Overhead Expenses
Overhead Expenses Policy [Text Block]
Overhead expenses.
2027
Lessee, Operating Lease, Liability, to be Paid, Year Five
Number of Shares, Vested and settled
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Aggregate offering price
Equity Offering Price
Equity offering price.
Equity Securities due After 1 Year through 5 Years
Debt Securities Due After One Year Through Five Years [Member]
Debt securities due after one year through five years.
Deferred Tax Asset
Deferred Tax Asset [Domain]
U.S. Agency Debt Securities
U S Agency Debt Securities [Member]
U.S. agency debt securities.
Current liabilities
Liabilities, Current [Abstract]
Genetic sequencing service.
Genetic Sequencing Service [Member]
Genetic Sequencing Services
Yankee Debt Securities
Yankee Debt Securities [Member]
Yankee debt securities.
Maximum
Maximum [Member]
Maximum [Member]
Employer matching contribution, percent of match
Defined Contribution Plan, Employer Matching Contribution, Percent of Match
Net (loss) gain on available-for-sale debt securities, net of tax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Summary of Equity-Based Compensation
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Schedule Of Trading Securities And Other Trading Assets [Table]
Debt Securities, Trading, and Equity Securities, FV-NI [Table]
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Furniture and Fixtures
Furniture and Fixtures [Member]
Interest recognized
Unrecognized Tax Benefits, Interest on Income Taxes Expense
Restructuring Costs
Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Number of Units/Shares Subject to Options, Exercised
Exercise of common stock options, Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Accounts Receivable Allowance For Credit Losses [Table]
Accounts Receivable Allowance For Credit Losses [Table]
Accounts receivable allowance for credit losses.
Goodwill and Acquisition-Related Intangibles
Goodwill and Intangible Assets Disclosure [Text Block]
Level 3
Fair Value, Inputs, Level 3 [Member]
Noncash lease expense
Noncash Lease Expense
Noncash lease expense.
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Total deferred tax liabilities
Deferred Tax Liabilities, Gross
Less: Cash equivalents, Carrying Value
Cash Equivalents, at Carrying Value, Total
Cash Equivalents, at Carrying Value
Accounts Receivable, Net
Accounts Receivable [Member]
Exercise of common stock options
Stock Issued During Period, Value, Stock Options Exercised
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]
Restricted cash
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Restricted Cash
Business combination recognized identifiable assets acquired and liabilities assumed restricted cash.
Reporting Segment and Geographic Information
Segment Reporting, Policy [Policy Text Block]
2027
Finite-Lived Intangible Asset, Expected Amortization, Year Five
In-Process Research & Development
In-Process Research & Development [Member]
In-Process Research & Development
Aggregate Intrinsic Value, Exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
ROU assets - operating
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Operating Lease Right Of Use Assets
Business combination, recognized identifiable assets acquired and liabilities assumed, operating lease right-of-use assets.
Useful life in years
Estimated useful lives of fixed assets
Property, Plant and Equipment, Useful Life
Stock repurchase program, remaining authorized amount
Stock Repurchase Program, Remaining Authorized Repurchase Amount
Foreign
Foreign Tax Authority [Member]
Business combination, measurement input
Alternative Investment, Measurement Input
2025
Finite-Lived Intangible Asset, Expected Amortization, Year Three
Foreign
Deferred Tax Assets Foreign Taxes
Deferred tax assets foreign taxes.
CSI
CSI [Member]
CSI.
Common stock, shares authorized
Common Stock, Shares Authorized
Right of use asset
Deferred Tax Liabilities Right Of Use Asset
Deferred tax liabilities right of use asset.
Trading Symbol
Trading Symbol
Ownership [Axis]
Defined Contribution Plan [Table]
Defined Contribution Plan [Table]
Fulgent Stockholders' Equity
Parent [Member]
Fair market price of furniture purchased
Property, Plant, and Equipment, Fair Value Disclosure
Title of Individual [Domain]
Subsequent Event Type
Subsequent Event Type [Axis]
Other
Deferred Tax Assets, Other
Balance Sheet Location
Balance Sheet Location [Axis]
Comprehensive income attributable to Fulgent
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Risk-free interest rates
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Return to provision
Effective Income Tax Rate Reconciliation Return To Provision
Effective income tax rate reconciliation return to provision.
Proceeds from Sale of Property, Plant, and Equipment, Total
Proceeds from sale of fixed assets
Proceeds from Sale of Property, Plant, and Equipment
Accounts Payable, Current, Total
Accounts payable
Accounts Payable, Current
Total
Lessor, Operating Lease, Payments to be Received
Insurance Type and Tier Identifier
Insurance Type and Tier Identifier [Axis]
Debt securities, Unrealized Losses
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Increase (Decrease) in Other Operating Assets, Total
Other current and long-term assets
Increase (Decrease) in Other Operating Assets
Income tax payable
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Income Tax Payable
Business combination recognized identifiable assets acquired and liabilities assumed income tax payable.
Plan Name
Plan Name [Axis]
Medical Lab Equipment
Medical Lab Equipment [Member]
Medical lab equipment.
Schedule Of Related Party Transactions By Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Title of Individual [Axis]
Concentration Risk Type
Concentration Risk Type [Domain]
Debt security investment outstanding borrowing amount
Debt Security Investment Outstanding Borrowing Amount
Debt security investment outstanding borrowing amount.
Ming Hsieh
Director [Member]
Goodwill And Intangible Assets [Line Items]
Goodwill And Intangible Assets [Line Items]
Goodwill and intangible assets.
Long-Lived Tangible Asset
Long-Lived Tangible Asset [Domain]
Common stock, par value
Common Stock, Par or Stated Value Per Share
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Loss on disposal of fixed asset
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property
Common stock issued in a business combination, Shares
Stock Issued During Period, Shares, Acquisitions
Non cash or part non cash Investment in marketable securities.
Non Cash Or Part Non Cash Investment In Marketable Securities
Purchases of marketable securities in other current liabilities
Stock repurchase program, authorized amount
Stock Repurchase Program, Authorized Amount
Comprehensive Income (Loss)
Comprehensive Income, Policy [Policy Text Block]
Redeemable Preferred Stock Investment
Redeemable Preferred Stock Investment [Member]
Redeemable preferred stock investment.
Aircraft
Aircraft [Member]
Aircraft.
Number of Shares, Granted
Number of shares, granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Common stock issued in a business combination
Stock Issued During Period, Value, Acquisitions
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Fixed Assets
Property, Plant and Equipment Disclosure [Text Block]
Useful life in years
Property, Plant and Equipment, Estimated Useful Lives
Weighted-Average Exercise Price Per Shares, Granted
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Other long-term assets
Other assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Anti-dilutive securities excluded from calculation of diluted income per share
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Cash and cash equivalents fair value disclosure
Cash and cash equivalents fair value disclosure
Cash and Cash Equivalents, Fair Value Disclosure
Valuation Allowance by Deferred Tax Asset
Valuation Allowance by Deferred Tax Asset [Axis]
Supplemental disclosures of non-cash investing and financing activities:
Noncash Investing and Financing Items [Abstract]