Taxes on Income - Summary of Components of the Company's Deferred Tax Assets (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Deferred tax assets: | ||
| Net operating loss carryforward | $ 37,636,000 | $ 20,453,000 |
| Research and development costs carryforward | 15,997,000 | 13,835,000 |
| Accrued Expenses | 446,000 | 198,000 |
| Share-based compensation | 23,000 | 23,000 |
| Other | 27,000 | 11,000 |
| Gross deferred tax assets | 54,129,000 | 34,520,000 |
| Valuation allowance | (54,117,000) | (34,520,000) |
| Deferred tax liabilities: | ||
| Property and equipment | (12,000) | (11,000) |
| Net deferred tax | 0 | 0 |
| Collective Growth Corp [Member] | ||
| Deferred tax assets: | ||
| Net operating loss carryforward | 153,905 | 0 |
| Unrealized gain on marketable securities | (5,579) | |
| Gross deferred tax assets | 148,326 | |
| Valuation allowance | (148,326) | |
| Deferred tax liabilities: | ||
| Net deferred tax |
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- Definition Unrealized gain on marketables securities. No definition available.
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- References 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 and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 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 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 accrued liabilities. 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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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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