Note 3 - Net Income (Loss) Per Common Share - Basic and Diluted (Details Textual) - shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Share-Based Payment Arrangement, Option [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 26,512,500 | 26,512,500 |
| Restricted Stock Units (RSUs) [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 40,500,000 | 5,000,000 |
| Series C Preferred Stock [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 4,063 | 4,063 |