Note 3 - Acquisition of Micro Engineering, Inc. (Details Textual) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Sep. 01, 2023 |
Feb. 28, 2026 |
Feb. 28, 2025 |
Feb. 29, 2024 |
|
| Business Combination, Contingent Consideration, Liability | $ 771,000 | $ 1,233,000 | ||
| Acquisition of Micro Engineering Inc [Member] | ||||
| Payments to Acquire Businesses, Gross | $ 3,000,000 | |||
| Rate of Gross Revenue Paid to Shareholders | 7.50% | |||
| Payment for Contingent Consideration Liability, Operating Activities | 895,000 | 88,000 | ||
| Business Combination, Contingent Consideration, Liability | 771,000 | $ 1,233,000 | $ 1,216,000 | |
| Acquisition of Micro Engineering Inc [Member] | Earn-out Payment for Period Ended December 31, 2024 [Member] | ||||
| Payment for Contingent Consideration Liability, Operating Activities | 408,000 | |||
| Acquisition of Micro Engineering Inc [Member] | Earn-out Payment for Period Ended December 31, 2025 [Member] | ||||
| Payment for Contingent Consideration Liability, Operating Activities | $ 487,000 | |||