Note 7 - Stockholders' Equity- Stock Option Activity (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2021
USD ($)
$ / shares
shares
| |
| Outstanding (in shares) | 602,000 |
| Outstanding, weighted average exercise price (in dollars per share) | $ / shares | $ 2.79 |
| Granted (in shares) | 360,300 |
| Granted, weighted average exercise price (in dollars per share) | $ / shares | $ 3.82 |
| Exercised (in shares) | |
| Exercised, weighted average exercise price (in dollars per share) | $ / shares | |
| Forfeited or expired (in shares) | |
| Outstanding (in shares) | 962,300 |
| Outstanding, weighted average exercise price (in dollars per share) | $ / shares | $ 3.18 |
| Outstanding, weighted average remaining contractual term (Year) | 9 years 113 days |
| Outstanding, aggregate intrinsic value | $ | $ 499,660 |
| Exercisable (in shares) | 200,661 |
| Exercisable, weighted average exercise price (in dollars per share) | $ / shares | $ 2.79 |
| Exercisable, weighted average remaining contractual term (Year) | 8 years 339 days |
| Exercisable, aggregate intrinsic value | $ | $ 166,549 |