Note 19 - Employee Benefit Plans (Details Textual) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Defined Contribution Plan, Company Contribution, Percentage Match Common Stock | 100.00% | ||
| Defined Contribution Plan, Percentage of First Eligible Employee Contribution Matched by Employer | 5.00% | ||
| Defined Contribution Plan, Cost | $ 1.9 | $ 1.2 | $ 0.6 |