Income Taxes - Net deferred income tax assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|---|
| Components of Deferred Tax Assets [Abstract] | |||
| Net operating loss carry-forwards | $ 70,175 | $ 30,631 | |
| Research and development credits | 10,121 | 7,927 | |
| Interest expense | 1,901 | 1,975 | |
| Stock-based compensation | 5,313 | 755 | |
| Accrued rent | (227) | ||
| Earnout shares liability | 37,359 | ||
| Fixed assets | 2,189 | ||
| Accruals and others | 1,372 | 556 | |
| Total gross deferred income tax assets | 128,203 | 41,844 | |
| Less: Valuation allowance | $ (128,203) | $ (41,844) | $ (11,256) |
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from interest expense. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued rent. No definition available.
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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 temporary differences from derivative instruments. 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 and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. 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 from property, plant, and equipment. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. 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 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://fasb.org/us-gaap/role/ref/legacyRef
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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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