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Note 3 - Revenue Recognition (Tables)

9 Months Ended

Dec. 31, 2025

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended December 31, 2025								Nine Months Ended December 31, 2025
Product Line:		Grid				Wind				Grid				Wind
Equipment and systems		$	56,004			$	143			$	156,300			$	445
Services and technology development			7,183				11,199				21,316				34,688
Total		$	63,187			$	11,342			$	177,616			$	35,133
Region:
Americas		$	51,974			$	—			$	137,394			$	16
Asia Pacific			7,253				11,326				29,583				35,022
EMEA			3,960				16				10,639				95
Total		$	63,187			$	11,342			$	177,616			$	35,133

		Three Months Ended December 31, 2024								Nine Months Ended December 31, 2024
Product Line:		Grid				Wind				Grid				Wind
Equipment and systems		$	48,979			$	8,768			$	123,431			$	23,357
Services and technology development			3,327				329				8,147				1,228
Total		$	52,306			$	9,097			$	131,578			$	24,585
Region:
Americas		$	47,737			$	-			$	121,696			$	1
Asia Pacific			2,293				9,080				4,280				24,562
EMEA			2,276				17				5,602				22
Total		$	52,306			$	9,097			$	131,578			$	24,585

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

		Unbilled Accounts Receivable				Deferred Program Costs				Contract Liabilities
Beginning balance as of March 31, 2025		$	6,376			$	5,757			$	76,133
Increase for balance acquired			—				—				19,783
Increases for costs incurred to fulfill performance obligations			—				23,174				—
Increase (decrease) due to customer billings			(15,991	)			—				81,667
Decrease due to cost recognition on completed performance obligations			—				(21,767	)			—
Increase (decrease) due to recognition of revenue based on transfer of control of performance obligations			22,399				—				(88,591	)
Other changes and FX impact			12				(1	)			371
Ending balance as of December 31, 2025		$	12,796			$	7,163			$	89,363

		Unbilled Accounts Receivable				Deferred Program Costs				Contract Liabilities
Beginning balance as of March 31, 2024		$	6,150			$	2,523			$	57,829
Increase for balances acquired			—				—				5,049
Increases for costs incurred to fulfill performance obligations			—				10,876				—
Increase (decrease) due to customer billings			(7,139	)			—				96,400
Decrease due to cost recognition on completed performance obligations			—				(6,133	)			—
Increase (decrease) due to recognition of revenue based on transfer of control of performance obligations			6,120				—				(75,410	)
Other changes and FX impact			(18	)			(11	)			(540	)
Ending balance as of December 31, 2024		$	5,113			$	7,255			$	83,328

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

			Three Months Ended								Nine Months Ended
	Reportable		December 31,								December 31,
	Segment		2025				2024				2025				2024
Inox Wind Limited	Wind			14	%			10	%			15	%			13	%
Innomotics LLC	Grid			<10%				14	%			<10%				<10%
Fuji Bridex Pte Ltd	Grid			<10%				<10%				11	%			<10%

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-10

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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