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Note 6 - Goodwill and Other Intangibles - Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Mar. 31, 2025
--- | --- | ---
Gross Amount | $ 20,031 | $ 20,031
Accumulated Amortization | (14,452) | (14,116)
Net Book Value | 3,779 |
Intangible assets, net | 5,579 | 5,916
Trade Names [Member] |  |
Indefinite life intangible assets | 1,800 | 1,800
Backlog [Member] |  |
Gross Amount | 1,381 | 1,381
Accumulated Amortization | (1,381) | (1,381)
Net Book Value | 0 | 0
Customer Relationships [Member] |  |
Gross Amount | 10,880 | 10,880
Accumulated Amortization | (8,116) | (7,901)
Net Book Value | 2,764 | 2,980
Core Technology and Know-how [Member] |  |
Gross Amount | 5,970 | 5,970
Accumulated Amortization | (4,955) | (4,834)
Net Book Value | $ 1,015 | $ 1,136

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