Stock Based Compensation - Stock Option Award Activity - Additional Information (Detail) - USD ($) |
12 Months Ended | |
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Dec. 31, 2020 |
Dec. 31, 2019 |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
Share-based compensation arrangement by share-based payment award, options, exercises in period, intrinsic value | $ 0 | $ 55,940 |
Options granted | 0 | 0 |
Employee Stock Option [Member] | ||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
Employee service share-based compensation, nonvested awards, compensation not yet recognized, stock options | $ 0 |
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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X | ||||||||||
- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Details
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