Note 2 - Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 15,523,419 | 17,493,666 |
| Warrant [Member] | Common Class A [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 8,047,500 | 11,010,000 |
| Convertible Debt Securities [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 5,490,881 | 5,994,000 |
| Share-Based Payment Arrangement, Option [Member] | Common Class A [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 1,376,804 | 235,000 |
| Restricted Stock Units (RSUs) [Member] | Common Class A [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 608,234 | 254,666 |