Note 15 - Stockholders' Equity - Shares Purchased (Details) - USD ($) |
1 Months Ended | 3 Months Ended | 6 Months Ended | 15 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2025 |
Oct. 31, 2024 |
Sep. 30, 2024 |
Aug. 31, 2024 |
Mar. 31, 2024 |
May 31, 2025 |
May 31, 2024 |
May 31, 2025 |
May 31, 2024 |
May 31, 2025 |
|
| Number of shares (in shares) | 3,927 | 35,678 | 506 | 291,141 | 21,905 | 353,157 | ||||
| Cost of shares | $ 54,940 | $ 499,997 | $ 5,695 | $ 2,994,296 | $ 253,003 | $ 55,000 | $ 253,000 | $ 55,000 | $ 253,000 | $ 3,807,931 |
| Average cost per share (in dollars per share) | $ 14 | $ 14 | $ 11.3 | $ 10.3 | $ 11.6 | $ 10.8 | ||||