Income taxes - Components of Deferred Income Tax Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Deferred tax assets: | ||
| U.S. net operating losses | $ 26,362 | $ 22,863 |
| Research and development deductions and credits | 3,931 | 2,414 |
| Intangibles | 446 | 457 |
| Lease liability | 2,456 | 2,701 |
| Stock-based compensation | 2,274 | 1,695 |
| Capitalized research and development | 6,920 | 0 |
| Other | 168 | 186 |
| Total deferred tax assets: | 42,557 | 30,316 |
| Deferred income tax liabilities | ||
| Right-of-use assets | 2,040 | 2,261 |
| Other | 410 | 287 |
| Total deferred tax liabilities | 2,450 | 2,548 |
| Net deferred income tax assets | 40,107 | 27,768 |
| Less: valuation allowance | (40,107) | (27,768) |
| Deferred tax assets, net of valuation allowance | $ 0 | $ 0 |
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- Definition Deferred Tax Assets, Before Valuation Allowance No definition available.
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- Definition Deferred Tax Assets, Capitalized Research and Development No definition available.
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- Definition Deferred Tax Assets, Lease Liability 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 of deferred tax liability attributable to taxable temporary differences. 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 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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- 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 domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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://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 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 leasing arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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