v3.25.2
Note 4 - Equipment and Leasehold Improvements, Net (Details Textual) - USD ($)
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Asset Impairment Charges $ 5,000 $ 0
Depreciation, Depletion and Amortization $ 1,479,000 $ 1,589,000