Note 9 - Stockholders' Equity - Restricted Stock Unit Activity (Details) |
3 Months Ended |
|---|---|
|
Mar. 31, 2026
$ / shares
shares
| |
| Balance, weighted average exercise price (in dollars per share) | $ 11,674 |
| Granted, weighted average exercise price (in dollars per share) | 0 |
| Balance, weighted average exercise price (in dollars per share) | $ 11,673.68 |
| Restricted Stock Units (RSUs) [Member] | |
| Balance (in shares) | shares | 76 |
| Balance, weighted average exercise price (in dollars per share) | $ 3,102 |
| Granted (in shares) | shares | 0 |
| Granted, weighted average exercise price (in dollars per share) | $ 0 |
| Vested or forfeited (in shares) | shares | 0 |
| Vested or forfeited, weighted average exercise price (in dollars per share) | $ 0 |
| Balance (in shares) | shares | 76 |
| Balance, weighted average exercise price (in dollars per share) | $ 3,102.16 |