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Note 2 - Significant Transactions - Schedule of Business Acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Gross profit	$ 39,754	$ 33,402	$ 112,458	$ 96,694
GKE Acquisition [Member]
Revenues	6,854		18,971
Gross profit	4,904		12,457
GKE Acquisition [Member] | Inventory Step-up Related to Cost of Revenue [Member]
Amortization of inventory step-up recorded in cost of revenues	0		1,232
GKE Acquisition [Member] | Cost of Revenues Related to Intangibles Acquired [Member]
Amortization of inventory step-up recorded in cost of revenues	131		375
GKE Acquisition [Member] | General and Administrative Expense [Member]
Amortization of inventory step-up recorded in cost of revenues	$ 935		$ 2,423

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