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Note 20 - Business Segments (Tables)

12 Months Ended

Mar. 31, 2024

Notes Tables

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

		Fiscal Years Ended March 31,
		2024				2023
Revenues:
Grid		$	122,065			$	94,631
Wind			23,574				11,353
Total		$	145,639			$	105,984

		Fiscal Years Ended March 31,
		2024				2023
Operating income (loss):
Grid		$	(2,754	)		$	(24,615	)
Wind			946				(2,547	)
Unallocated corporate expenses			(9,560	)			(5,847	)
Total		$	(11,368	)		$	(33,009	)

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

		March 31, 2024				March 31, 2023
Grid		$	125,878			$	135,296
Wind			14,733				14,361
Corporate assets			92,160				25,904
Total		$	232,771			$	175,561

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

		March 31,
		2024				2023
North America		$	10,679			$	12,125
Europe			149				141
Asia Pacific			33				43
Total		$	10,861			$	12,309

X

- Definition

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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