Condensed Consolidated Statements of Stockholders' Equity (unaudited) - USD ($) shares in Thousands, $ in Thousands |
Total |
Stockholders' Equity |
Additional Paid-In Capital |
Accumulated Other Comprehensive Income (Loss) |
Retained Earnings |
Fulgent Stockholders' Equity |
Noncontrolling Interest |
||
|---|---|---|---|---|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2024 | $ 1,129,159 | $ 3 | $ 543,126 | $ (368) | $ 590,467 | $ 1,133,228 | $ (4,069) | ||
| Beginning Balance, Shares at Dec. 31, 2024 | 30,841 | ||||||||
| Equity-based compensation | 10,550 | 10,550 | 10,550 | ||||||
| Restricted stock awards, Shares | 360 | ||||||||
| Common stock withholding for employee tax obligations | (1,887) | (1,887) | (1,887) | ||||||
| Common stock withholding for employee tax obligations, Shares | (111) | ||||||||
| Repurchase of common stock | (7,886) | (7,886) | (7,886) | ||||||
| Repurchase of common stock, Shares | (469) | ||||||||
| Other comprehensive income (loss), net | 4,733 | 4,703 | 4,703 | 30 | |||||
| Net loss | (11,899) | (11,530) | (11,530) | (369) | |||||
| Ending Balance at Mar. 31, 2025 | 1,122,770 | $ 3 | 543,903 | 4,335 | 578,937 | 1,127,178 | (4,408) | ||
| Ending Balance, Shares at Mar. 31, 2025 | 30,621 | ||||||||
| Beginning Balance at Dec. 31, 2024 | 1,129,159 | $ 3 | 543,126 | (368) | 590,467 | 1,133,228 | (4,069) | ||
| Beginning Balance, Shares at Dec. 31, 2024 | 30,841 | ||||||||
| Net loss | (31,155) | ||||||||
| Ending Balance at Jun. 30, 2025 | 1,111,636 | $ 3 | 550,599 | 5,998 | 559,980 | 1,116,580 | (4,944) | ||
| Ending Balance, Shares at Jun. 30, 2025 | 30,608 | ||||||||
| Beginning Balance at Mar. 31, 2025 | 1,122,770 | $ 3 | 543,903 | 4,335 | 578,937 | 1,127,178 | (4,408) | ||
| Beginning Balance, Shares at Mar. 31, 2025 | 30,621 | ||||||||
| Equity-based compensation | 10,039 | 10,039 | 10,039 | ||||||
| Restricted stock awards, Shares | 182 | ||||||||
| Common stock withholding for employee tax obligations | (345) | (345) | (345) | ||||||
| Common stock withholding for employee tax obligations, Shares | (18) | ||||||||
| Repurchase of common stock | (2,998) | (2,998) | (2,998) | ||||||
| Repurchase of common stock, Shares | (177) | ||||||||
| Other comprehensive income (loss), net | 1,426 | 1,663 | 1,663 | (237) | |||||
| Net loss | (19,256) | (18,957) | (18,957) | (299) | |||||
| Ending Balance at Jun. 30, 2025 | 1,111,636 | $ 3 | 550,599 | 5,998 | 559,980 | 1,116,580 | (4,944) | ||
| Ending Balance, Shares at Jun. 30, 2025 | 30,608 | ||||||||
| Beginning Balance at Dec. 31, 2025 | 1,106,715 | $ 3 | 574,520 | 7,512 | 529,954 | 1,111,989 | (5,274) | ||
| Beginning Balance, Shares at Dec. 31, 2025 | [1] | 31,081 | |||||||
| Equity-based compensation | 9,890 | 9,890 | 9,890 | ||||||
| Exercise of common stock options | 9 | 9 | 9 | ||||||
| Exercise of common stock options, Shares | [1] | 24 | |||||||
| Restricted stock awards | 1 | $ 1 | 1 | ||||||
| Restricted stock awards, Shares | [1] | 540 | |||||||
| Common stock withholding for employee tax obligations | (4,200) | (4,200) | (4,200) | ||||||
| Common stock withholding for employee tax obligations, Shares | [1] | (195) | |||||||
| Repurchase of common stock | (40,078) | (40,078) | (40,078) | ||||||
| Repurchase of common stock, Shares | [1] | (2,599) | |||||||
| Other comprehensive income (loss), net | (2,909) | (2,976) | (2,976) | 67 | |||||
| Net loss | (25,274) | (24,826) | (24,826) | (448) | |||||
| Ending Balance at Mar. 31, 2026 | 1,044,154 | $ 4 | 540,141 | 4,536 | 505,128 | 1,049,809 | (5,655) | ||
| Ending Balance, Shares at Mar. 31, 2026 | [1] | 28,851 | |||||||
| Beginning Balance at Dec. 31, 2025 | 1,106,715 | $ 3 | 574,520 | 7,512 | 529,954 | 1,111,989 | (5,274) | ||
| Beginning Balance, Shares at Dec. 31, 2025 | [1] | 31,081 | |||||||
| Net loss | (54,993) | ||||||||
| Ending Balance at Jun. 30, 2026 | 995,986 | $ 4 | 524,097 | 1,920 | 475,598 | 1,001,619 | (5,633) | ||
| Ending Balance, Shares at Jun. 30, 2026 | [1] | 27,515 | |||||||
| Beginning Balance at Mar. 31, 2026 | 1,044,154 | $ 4 | 540,141 | 4,536 | 505,128 | 1,049,809 | (5,655) | ||
| Beginning Balance, Shares at Mar. 31, 2026 | [1] | 28,851 | |||||||
| Equity-based compensation | 8,624 | 8,624 | 8,624 | ||||||
| Exercise of common stock options | 2 | 2 | 2 | ||||||
| Exercise of common stock options, Shares | [1] | 5 | |||||||
| Restricted stock awards, Shares | [1] | 201 | |||||||
| Common stock withholding for employee tax obligations | (334) | (334) | (334) | ||||||
| Common stock withholding for employee tax obligations, Shares | [1] | (19) | |||||||
| Repurchase of common stock | (24,336) | (24,336) | (24,336) | ||||||
| Repurchase of common stock, Shares | [1] | (1,523) | |||||||
| Other comprehensive income (loss), net | (2,405) | (2,616) | (2,616) | 211 | |||||
| Net loss | (29,719) | (29,530) | (29,530) | (189) | |||||
| Ending Balance at Jun. 30, 2026 | $ 995,986 | $ 4 | $ 524,097 | $ 1,920 | $ 475,598 | $ 1,001,619 | $ (5,633) | ||
| Ending Balance, Shares at Jun. 30, 2026 | [1] | 27,515 | |||||||
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| X | ||||||||||
- Definition Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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| X | ||||||||||
- Definition Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Value of stock issued as a result of the exercise of stock options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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