Stock Incentive Plan - Schedule of Information Regarding Restricted Stock Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2021 |
Dec. 31, 2020 |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | ||
| Outstanding Shares, Beginning Balance | 107,990 | |
| Outstanding Shares, Lapsed | (41,323) | |
| Outstanding Shares, Ending Balance | 66,667 | 107,990 |
| Weighted Average Grant Date Fair Value, Beginning Balance | $ 1.85 | |
| Weighted Average Grant Date Fair Value, Lapsed | 2.42 | |
| Weighted Average Grant Date Fair Value, Ending Balance | $ 1.50 | $ 1.85 |
| Weighted Average Contractual Life Remaining | 7 days | 1 year 8 months 1 day |
| Aggregate Intrinsic Value, Beginning Balance | $ 112 | |
| Aggregate Intrinsic Value, Lapsed | 100 | |
| Aggregate Intrinsic Value, Ending Balance | $ 247 | $ 112 |
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options lapse of restrictions in period weighted average grant date fair value. No definition available.
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- References No definition available.
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares under non-option equity instrument agreements for which rights to exercise lapsed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options. No definition available.
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- Definition Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options. No definition available.
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