Note 3 - Summary of Significant Accounting Policies (Details Textual) - shares |
6 Months Ended | |
---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
Share-Based Payment Arrangement, Option [Member] | ||
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 0 | 690,000 |
Warrant [Member] | ||
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 0 | 12,500,000 |