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Note 18 - Business Segments (Tables)

9 Months Ended

Dec. 31, 2025

Notes Tables

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

		Three Months Ended December 31, 2025																Nine Months Ended December 31, 2025
		Grid				Wind				Unallocated				Total				Grid				Wind				Unallocated				Total
Segment operating income:
Revenues		$	63,187			$	11,342			$	-			$	74,529			$	177,616			$	35,133			$	-			$	212,749
Less (a)
Segment other operating expenses (b)			61,156				10,014				-				71,170				170,152				30,630				-				200,782
Segment operating income		$	2,031			$	1,328			$	-			$	3,359			$	7,464			$	4,503			$	-			$	11,967

		Three Months Ended December 31, 2024																Nine Months Ended December 31, 2024
		Grid				Wind				Unallocated				Total				Grid				Wind				Unallocated				Total
Segment operating income:
Revenues		$	52,306			$	9,097			$	-			$	61,403			$	131,578			$	24,585			$	-			$	156,163
Less (a)
Segment other operating expenses (b)			52,072				8,016				-				60,088				130,006				22,198				6,689				158,893
Segment operating income (loss)		$	234			$	1,081			$	-			$	1,315			$	1,572			$	2,387			$	(6,689	)		$	(2,730	)

		Three Months Ended December 31,								Nine Months Ended December 31, 2025
		2025				2024				2025				2024
Operating income (loss):		$	3,359			$	1,315			$	11,967			$	(2,730	)
Interest income, net			1,997				802				5,198			$	2,901
Other (expense)/income, net			77				272				57				(214	)
Income (loss) before income tax benefit		$	5,433			$	2,389			$	17,222			$	(43	)

		Three Months Ended December 31,								Nine Months Ended December 31, 2025
		2025				2024				2025				2024
Grid		$	1,726			$	1,567			$	4,089			$	3,920
Wind			63				22				95			$	64
Total		$	1,789			$	1,589			$	4,184			$	3,984

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

		December 31, 2025				March 31, 2025
Grid		$	558,431			$	211,520
Wind			13,969				13,697
Corporate assets			147,134				85,304
Total		$	719,534			$	310,521

X

- Definition

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

+ References

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