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Note 4 - Supplemental Information (Tables)

3 Months Ended

Jun. 30, 2025

Notes Tables

Schedule of Inventory, Current [Table Text Block]

		June 30, 2025				March 31, 2025
Raw materials		$	16,089			$	14,775
Work in process			626				560
Finished goods			11,391				10,030
Total inventories		$	28,106			$	25,365

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

		June 30, 2025				March 31, 2025
Prepaid expenses		$	4,302			$	2,364
Deposits			1,732				1,752
Prepaid income taxes			465				1,040
Other current assets			3,306				2,873
Total prepaid expenses and other current assets		$	9,805			$	8,029

Schedule of Employee Related Liabilities [Table Text Block]

		June 30, 2025				March 31, 2025
Wages and paid-time-off payable		$	4,013			$	3,672
Payroll related taxes			3,277				2,475
Bonus payable			2,269				10,891
Other benefits payable			867				820
Total accrued payroll and benefits		$	10,426			$	17,858

Schedule of Accrued Liabilities [Table Text Block]

		June 30, 2025				March 31, 2025
Accrued business taxes		$	6,039			$	5,996
Current operating lease liabilities			3,752				3,523
Income taxes payable			2,419				2,157
GKE acquisition holdback			-				9,315
Other			3,860				3,610
Total other accrued expenses		$	16,070			$	24,601

Property, Plant and Equipment [Table Text Block]

		Three Months Ended June 30,
		2025				2024
Depreciation expense in cost of revenues		$	810			$	862
Depreciation expense in operating expense			594				542
Total depreciation expense		$	1,404			$	1,404

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