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Note 4 - Fair Value Measurements (Details Textual) $ in Thousands	9 Months Ended
	Dec. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Nov. 17, 2022 USD ($)	Aug. 12, 2019
Belyntic Acquisition [Member] | Other Long-term Liabilities [Member]
Business Combination, Contingent Consideration, Liability, Noncurrent	$ 1,067		$ 1,500	$ 1,500
Senior Notes [Member] | The Notes [Member]
Long-term Debt, Gross	$ 172,500	$ 172,500
Debt Instrument, Interest Rate, Stated Percentage	1.375%				1.375%
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Number of Major Customers	0

X

- Definition

Represents the number of major customers accounting for 10% or more of the specified concentration risk benchmark, which includes, but not limited to, sales revenue, accounts receivable, etc.

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No definition available.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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