Note 7 - Net Income/(Loss) Per Share (Details Textual) - shares |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|---|---|
| Net Loss Per Share [Line Items] | ||||
| Class of Warrant or Right, Outstanding (in shares) | 678,875 | |||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options and Warrants, Outstanding, Number (in shares) | 365,875 | |||
| Restricted Stock [Member] | ||||
| Net Loss Per Share [Line Items] | ||||
| Restricted shares unvested | 312,165 | 380,730 | 456,110 | 436,863 |