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Note 6 - Goodwill and Other Intangibles (Tables)

9 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Goodwill [Table Text Block]

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

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

		December 31, 2021												March 31, 2021
		Gross Amount				Accumulated Amortization				Net Book Value				Gross Amount				Accumulated Amortization				Net Book Value				Estimated Useful Life
Backlog		$	681			$	(614	)		$	67			$	600			$	(475	)		$	125				2
Trade name			1,800				—				1,800				600				—				600				Indefinite
Customer relationships			9,600				(2,217	)			7,383				6,100				(739	)			5,361				7
Core technology and know-how			5,970				(3,265	)			2,705				5,970				(2,903	)			3,067				5-10
Intangible assets		$	18,051			$	(6,096	)		$	11,955			$	13,270			$	(4,117	)		$	9,153

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

Years ended March 31,		Total
2022			672
2023			2,772
2024			2,152
2025			1,648
2026			1,221
Thereafter			1,690
Total		$	10,155

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