Income taxes - Deferred tax assets and liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|---|
| Deferred income tax assets: | |||
| Net operating loss carryforwards | $ 15,049 | $ 11,185 | |
| ROU assets | 14 | 81 | |
| Share-based compensation | 4,668 | 5,728 | |
| Inventory | 106 | 212 | |
| Other assets | 2,021 | 2,595 | |
| Gross deferred tax assets | 21,858 | 19,801 | |
| Valuation allowance | (19,095) | (16,724) | $ (7,913) |
| Net deferred tax assets | 2,763 | 3,077 | |
| Deferred income tax liabilities: | |||
| Operating lease liabilities | (13) | (79) | |
| Intangibles | (2,774) | (2,998) | |
| Deferred tax liabilities, net of valuation allowance | (24) | $ 0 | |
| Domestic Tax Authority | |||
| Other Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||
| Net operating loss carryforwards | 59,000 | ||
| State and Local Jurisdiction | |||
| Other Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||
| Net operating loss carryforwards | $ 53,400 |
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- Definition Deferred Tax Assets, Leasing Arrangements 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 before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://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 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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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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