Stock Options - Stock option activity (Details) - $ / shares |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2021 |
Dec. 31, 2020 |
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| Stock option Activity | ||
| Options outstanding, shares | 1,672,938 | |
| Weighted average exercise price | ||
| Options outstanding, weighted average exercise price | $ 2.12 | |
| Stock option [Member] | ||
| Stock option Activity | ||
| Options outstanding, shares | 1,622,938 | 315,938 |
| Granted | 50,000 | 1,307,000 |
| Options outstanding, shares | 1,672,938 | 1,622,938 |
| Weighted average exercise price | ||
| Options outstanding, weighted average exercise price | $ 2.11 | $ 2.84 |
| Granted | 2.62 | 1.95 |
| Options outstanding, weighted average exercise price | $ 2.12 | $ 2.11 |
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Details
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