Note 11 - Employee Benefit Plans (Details Textual) - Profit Sharing Plan [Member] - USD ($) |
12 Months Ended | |
|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2025 |
|
| Defined Contribution Plan, Cost | $ 0 | $ 0 |
| Micro Engineering Inc [Member] | ||
| Defined Contribution Plan, Cost | $ 49,000 | $ 55,000 |