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Note 4 - Supplemental Information (Tables)

6 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Inventory, Current [Table Text Block]

		September 30, 2025				March 31, 2025
Raw materials		$	15,635			$	14,775
Work in process			672				560
Finished goods			11,432				10,030
Total inventories		$	27,739			$	25,365

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

		September 30, 2025				March 31, 2025
Prepaid expenses		$	3,540			$	2,364
Deposits			1,527				1,752
Prepaid income taxes			521				1,040
Other current assets			3,592				2,873
Total prepaid expenses and other current assets		$	9,180			$	8,029

Schedule of Employee Related Liabilities [Table Text Block]

		September 30, 2025				March 31, 2025
Bonus payable		$	3,877			$	10,891
Wages and paid-time-off payable			2,891				3,672
Payroll related taxes			1,811				2,475
Other benefits payable			1,457				820
Total accrued payroll and benefits		$	10,036			$	17,858

Schedule of Accrued Liabilities [Table Text Block]

		September 30, 2025				March 31, 2025
Accrued business taxes		$	6,512			$	5,996
Current operating lease liabilities			3,815				3,523
Income taxes payable			1,432				2,157
GKE acquisition holdback			-				9,315
Other			2,464				3,610
Total other accrued expenses		$	14,223			$	24,601

Property, Plant and Equipment [Table Text Block]

		Three Months Ended September 30,								Six Months Ended September 30,
		2025				2024				2025				2024
Depreciation expense in cost of revenues		$	791			$	904			$	1,601			$	1,766
Depreciation expense in operating expense			524				614				1,118				1,156
Total depreciation expense		$	1,315			$	1,518			$	2,719			$	2,922

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