Stockholders' Equity - Additional Information (Detail) - USD ($) |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
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| Class Of Stock [Line Items] | |||
| Recognized compensation expense of stock options | $ 0 | $ 3,400 | |
| Remaining unrecognized compensation cost | 0 | ||
| Aggregate intrinsic value of outstanding common stock options | 0 | $ 0 | |
| Proceeds from warrants exercised | $ 9,544,623 | ||
| Number of warrants, exercised | 2,326,112 | ||
| Stock Warrants [Member] | |||
| Class Of Stock [Line Items] | |||
| Proceeds from warrants exercised | $ 9,500,000 | ||
| Number of warrants, exercised | 2,300,000 | ||
| Warrants, aggregate intrinsic value outstanding | $ 797,000 | $ 256,400 | |
| X | ||||||||||
- Definition Class of warrant or right exercise price of warrants or rights aggregate intrinsic value outstanding. No definition available.
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options exercised in period. No definition available.
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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- 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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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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