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Note 17 - Business Segments (Tables)

3 Months Ended

Jun. 30, 2022

Notes Tables

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

		Three Months Ended June 30,
		2022				2021
Revenues:
Grid		$	19,829			$	23,501
Wind			2,850				1,919
Total		$	22,679			$	25,420

		Three Months Ended June 30,
		2022				2021
Operating loss:
Grid		$	(7,281	)		$	(5,345	)
Wind			(386	)			(763	)
Unallocated corporate expenses			(1,202	)			(1,391	)
Total		$	(8,869	)		$	(7,499	)

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

		June 30, 2022				March 31, 2022
Grid		$	120,583			$	114,053
Wind			9,433				9,866
Corporate assets			46,492				49,968
Total		$	176,508			$	173,887

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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