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Note 18 - Business Segments (Tables)

9 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		Three Months Ended December 31,								Nine Months Ended December 31,
		2023				2022				2023				2022
Revenues:
Grid		$	33,603			$	20,809			$	87,854			$	66,337
Wind			5,750				3,072				15,757				7,904
Total		$	39,353			$	23,881			$	103,611			$	74,241

		Three Months Ended December 31,								Nine Months Ended December 31,
		2023				2022				2023				2022
Operating income (loss):
Grid		$	268			$	(7,064	)		$	(2,383	)		$	(20,840	)
Wind			286				(924	)			(112	)			(2,178	)
Unallocated corporate expenses			(1,992	)			(1,221	)			(6,646	)			(3,152	)
Total		$	(1,438	)		$	(9,209	)		$	(9,141	)		$	(26,170	)

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

		December 31, 2023				March 31, 2023
Grid		$	128,395			$	135,296
Wind			12,933				14,361
Corporate assets			25,015				25,904
Total		$	166,343			$	175,561

X

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Tabular disclosure of all significant reconciling items in the reconciliation of total assets from reportable segments to the entity's consolidated assets.

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