Note 9 - Stockholders' Equity (Details Textual) - shares |
9 Months Ended | |||||
|---|---|---|---|---|---|---|
Mar. 01, 2026 |
Sep. 01, 2025 |
Mar. 01, 2025 |
Sep. 01, 2024 |
May 31, 2026 |
May 31, 2025 |
|
| Stock Repurchased and Retired During Period, Shares | 0 | 0 | ||||
| Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares) | 11,313 | 0 | ||||
| Stock Issued During Period, Shares, Employee Stock Purchase Plans | 4,438 | 5,198 | 3,856 | 3,527 | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant | 38,235 | |||||
| X | ||||||||||
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares issued during the period as a result of an employee stock purchase plan. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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