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Note 6 - Goodwill and Other Intangibles (Tables)

9 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Goodwill [Table Text Block]

		Goodwill
March 31, 2021		$	34,634
Neeltran Acquisition			8,837
March 31, 2022		$	43,471
Less impairment loss			-
December 31, 2022		$	43,471

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		December 31, 2022												March 31, 2022
		Gross Amount				Accumulated Amortization				Net Book Value				Gross Amount				Accumulated Amortization				Net Book Value				Estimated Useful Life
Licenses		$	3,610			$	(3,610	)			—			$	3,610			$	(3,610	)			—				7
Backlog		$	681			$	(675	)		$	6			$	681			$	(631	)		$	50				2
Trade name and trademarks			1,800				—				1,800				1,800				—				1,800				Indefinite
Customer relationships			9,600				(4,413	)			5,187				9,600				(2,723	)			6,877				7
Core technology and know-how			5,970				(3,748	)			2,222				5,970				(3,386	)			2,584				5-10
Intangible assets		$	21,661			$	(12,446	)		$	9,215			$	21,661			$	(10,350	)		$	11,311

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Years ended March 31,		Total
2023			688
2024			2,158
2025			1,648
2026			1,221
2027			1,085
Thereafter			615
Total		$	7,415

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