Note 2 - Summary of Significant Accounting Policies - Roll Forward of Contingent Consideration (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Feb. 28, 2026 |
Aug. 31, 2026 |
Aug. 31, 2025 |
Aug. 31, 2026 |
Aug. 31, 2025 |
Feb. 28, 2026 |
|
| Contingent consideration, balance | $ 771,000 | |||||
| Contingent consideration adjustment | $ 346,000 | $ 2,000 | $ (0) | 333,000 | $ (0) | |
| Contingent consideration, balance | 771,000 | 1,121,000 | 1,121,000 | $ 771,000 | ||
| Acquisition of Micro Engineering Inc [Member] | ||||||
| Contingent consideration, balance | 771,000 | $ 1,233,000 | 1,233,000 | |||
| Accrued interest expense | 17,000 | 87,000 | ||||
| Contingent consideration adjustment | 333,000 | 346,000 | ||||
| Earn out payment | 0 | (895,000) | ||||
| Contingent consideration, balance | $ 771,000 | $ 1,121,000 | $ 1,121,000 | $ 771,000 | ||