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Note 4 - Significant Transactions (Details Textual) - GKE Acquisition [Member] - USD ($) $ in Thousands		12 Months Ended
	Oct. 16, 2023	Mar. 31, 2024	Mar. 31, 2023
Payments to Acquire Businesses, Gross		$ 87,187
Proceeds from Lines of Credit	$ 71,000
Business Acquisition, Pro Forma Revenue		$ 229,260	$ 241,360
GKE GmbH and SAL GmbH [Member]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Beijing GKE Science & Technology Co. Ltd. [Member]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%

X

- Definition

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