Note 14 - Debt	12 Months Ended
Mar. 31, 2024
Notes to Financial Statements
Debt Disclosure [Text Block]	14. Debt As part of the acquisition of Neeltran, the Company identified four equipment financing agreements that Neeltran had entered into prior to the acquisition of Neeltran on May 6, 2021. The current debt balance is less than $0.1 million, as of March 31, 2024, and current and long-term debt balance was $0.1 million as of March 31, 2023.

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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