Note 15 - Stockholders' Equity (Details Textual) - USD ($) |
1 Months Ended | 3 Months Ended | 6 Months Ended | 22 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
Jan. 31, 2026 |
Dec. 31, 2025 |
May 31, 2026 |
May 31, 2025 |
May 31, 2026 |
May 31, 2025 |
May 31, 2026 |
Jul. 31, 2024 |
|
| Treasury Stock, Shares, Acquired (in shares) | 31,517 | 27,388 | 58,905 | |||||
| Treasury Stock, Value, Acquired, Cost Method | $ 499,996 | $ 453,035 | $ 55,000 | $ 953,031 | $ 55,000 | |||
| Stock Buyback Plan [Member] | ||||||||
| Share Repurchase Program, Authorized, Amount | $ 10,000,000 | |||||||
| Treasury Stock, Shares, Acquired (in shares) | 0 | 58,905 | 500,000 | |||||
| Treasury Stock, Value, Acquired, Cost Method | $ 1,000,000 | $ 5,800,000 | ||||||
| X | ||||||||||
- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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