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Note 17 - Business Segments (Tables)

3 Months Ended

Jun. 30, 2019

Notes Tables

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

		Three Months Ended June 30,
		2019				2018
Revenues:
Grid		$	9,855			$	8,929
Wind			3,915				3,678
Total		$	13,770			$	12,607

		Three Months Ended June 30,
		2019				2018
Operating loss:
Grid		$	(4,663	)		$	(2,666	)
Wind			(1,324	)			(1,367	)
Unallocated corporate expenses			(249	)			(1,095	)
Total		$	(6,236	)		$	(5,128	)

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

		June 30, 2019				March 31, 2019
Grid		$	32,169			$	31,075
Wind			11,416				8,167
Corporate assets			76,565				80,088
Total		$	120,150			$	119,330

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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