Note 15 - Debt	12 Months Ended
Mar. 31, 2026
Notes to Financial Statements
Debt Disclosure [Text Block]	15. Debt As part of the Comtrafo Acquisition, the Company identified three debt agreements that Comtrafo had entered into prior to the Comtrafo Acquisition Date. The debt agreements totaling $8.8 million were subsequently paid off during the fiscal year ended March 31, 2026.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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+ Details