Note 10 - Warrants - Outstanding Warrants (Details) |
9 Months Ended |
|---|---|
|
Sep. 30, 2022
$ / shares
shares
| |
| Warrants outstanding (in shares) | shares | 2,431,168 |
| Warrants outstanding, weighted average exercise price (in dollars per share) | $ / shares | $ 4.48 |
| Warrants granted (in shares) | shares | 30,777,776 |
| Warrants granted, weighted average exercise price (in dollars per share) | $ / shares | $ 0.46 |
| Warrants exercised (in shares) | shares | 0 |
| Warrants exercised, weighted average exercise price (in dollars per share) | $ / shares | $ 0 |
| Warrants forfeited, canceled (in shares) | shares | 0 |
| Warrants forfeited, canceled, weighted average exercise price (in dollars per share) | $ / shares | $ 0 |
| Warrants outstanding (in shares) | shares | 33,208,944 |
| Warrants outstanding, weighted average exercise price (in dollars per share) | $ / shares | $ 0.82 |