Income Taxes - Narrative (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Income Taxes [Line Items] | |||
| State and Canadian net operating losses (NOLs) | $ 14,200,000 | $ 14,700,000 | |
| Valuation allowance, deferred tax assets | 4,935,000 | 4,599,000 | |
| Change in valuation allowance, deferred tax assets | 337,000 | 179,000 | $ 497,000 |
| Decrease in unrecognized tax benefits that is reasonably possible | 304,000 | ||
| Unrecognized tax benefits related to penalties | 0 | 0 | |
| Undistributed earnings of foreign subsidiary | 0 | 0 | |
| Tax Year 2022 | |||
| Income Taxes [Line Items] | |||
| Interest on income taxes expense | $ 6,000 | ||
| Tax Year 2021 | |||
| Income Taxes [Line Items] | |||
| Interest on income taxes expense | $ 6,000 | ||
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- Definition Income Taxes [Line Items] No definition available.
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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. 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 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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- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense for penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest expense for an underpayment of income taxes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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