Significant Items Making up Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|---|---|
| Components Of Deferred Tax Assets And Liabilities [Abstract] | ||||
| Allowances not currently deductible for tax purposes | $ 777 | $ 978 | ||
| Net operating loss carryforwards | 41,730 | 44,068 | ||
| Operating lease liabilities | 1,018 | 312 | ||
| General carryforwards | 16,407 | 16,433 | ||
| Stock-based compensation | 1,471 | 1,487 | ||
| Accrued and other | 2,090 | 1,961 | ||
| Deferred Tax Assets, Gross, Total | 63,493 | 65,239 | ||
| Less valuation allowance | (59,996) | (62,441) | $ (62,699) | $ (62,492) |
| Deferred Tax Assets, Net of Valuation Allowance, Total | 3,497 | 2,798 | ||
| Depreciation and amortization | (867) | (925) | ||
| Operating lease right-of-use assets | (693) | (10) | ||
| State income taxes | (1,937) | (1,863) | ||
| Deferred Tax Liabilities, Gross, Total | $ (3,497) | $ (2,798) |
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- Definition Deferred tax assets allowances nondeductible for tax purposes. No definition available.
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- Definition Deferred tax assets leasing arrangements. No definition available.
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- Definition Deferred tax liabilities, state income taxes. 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://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 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 operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible 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 leasing arrangements. 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 property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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