Stockholders' Equity (Stock Option Activities) (Details) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2021 |
Dec. 31, 2020 |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | ||
| Options vested and expected to vest, Number of shares | 1,053,490 | |
| Number of shares, Forfeited | (25,000) | |
| Options vested and expected to vest, Number of shares | 1,028,490 | 1,053,490 |
| Options vested and expected to vest, Weighted average exercise price | $ 5.02 | |
| Weighted average exercise price, Forfeited | 4.88 | |
| Options vested and expected to vest, Weighted average exercise price | $ 5.02 | $ 5.02 |
| Total weighted average intrinsic value, Options vested and expected to vest | $ 647,482 | |
| Total weighted average intrinsic value, Options vested and expected to vest | $ 807,138 | $ 647,482 |
| Options vested and expected to vest, Weighted average contractual life | 2 years 4 months 24 days | 2 years 7 months 17 days |
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- References No definition available.
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. No definition available.
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- Definition Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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