Income Taxes - Summary of Significant Components of Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|---|
| Deferred tax assets | |||
| Net operating loss carryforward | $ 38,529 | $ 35,013 | |
| Research and development credit carryforward | 2,454 | 735 | |
| Stock-based compensation | 52 | 34 | |
| Property and equipment | 367 | 706 | |
| Intangibles | 855 | 0 | |
| Other accruals | 1,073 | 318 | |
| Gross deferred tax assets | 43,330 | 36,806 | |
| Less: Valuation allowance | (43,330) | (36,806) | $ (28,821) |
| Net deferred tax assets | 0 | 0 | |
| Deferred tax liabilities | |||
| Foreign property and equipment and intangibles | (338) | (269) | |
| Gross deferred tax liabilities | (338) | (269) | |
| Net deferred tax liabilities | $ (338) | $ (269) |
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- Definition Deferred tax liabilities foreign property plant and equipment and intangibles. No definition available.
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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 from intangible assets including goodwill. No definition available.
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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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- References No definition available.
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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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- 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 allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. 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 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 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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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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