INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Deferred tax assets: | |||
| Net operating loss carryforwards | $ 123,892 | $ 77,430 | $ 67,755 |
| Tax credits | 27,973 | 15,056 | 9,231 |
| Accruals and reserves | 3,999 | 9,069 | 4,891 |
| Stock-based expense | 11,868 | 7,706 | 15,013 |
| Start-up costs and amortized costs | 15,910 | 12,142 | 12,750 |
| IRC § 174 capitalized costs | 118,269 | 86,847 | 45,979 |
| Unrealized gains/losses | 0 | 176 | 71 |
| Sale of future revenues | 14,833 | 0 | 0 |
| Operating lease right-of-use asset, net | 79 | 85 | 44 |
| Total deferred tax assets | 316,823 | 208,511 | 155,734 |
| Valuation allowance | (316,823) | (208,511) | (155,734) |
| Net deferred tax assets | 0 | 0 | 0 |
| Deferred tax liabilities: | |||
| Total deferred tax liabilities | 0 | 0 | 0 |
| Total deferred tax assets, net | $ 0 | $ 0 | $ 0 |
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Deferred Tax Assets, Operating Lease, Right-of-Use Asset, Net No definition available.
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- Definition Deferred Tax Assets, Sale Of Future Revenues No definition available.
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- Definition Deferred Tax Assets, Tax Deferred Expense, Start-up Costs and Amortized Costs No definition available.
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