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Note 3 - Revenue Recognition (Tables)

6 Months Ended

Sep. 30, 2024

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended September 30, 2024								Six Months Ended September 30, 2024
Product Line:		Grid				Wind				Grid				Wind
Equipment and systems		$	43,747			$	7,166			$	74,452			$	14,591
Services and technology development			3,189				369				4,820				898
Total		$	46,936			$	7,535			$	79,272			$	15,489
Region:
Americas		$	43,479			$	1			$	73,957			$	1
Asia Pacific			790				7,531				1,989				15,483
EMEA			2,667				3				3,326				5
Total		$	46,936			$	7,535			$	79,272			$	15,489

		Three Months Ended September 30, 2023								Six Months Ended September 30, 2023
Product Line:		Grid				Wind				Grid				Wind
Equipment and systems		$	22,682			$	4,879			$	45,808			$	8,862
Services and technology development			5,833				610				8,443				1,145
Total		$	28,515			$	5,489			$	54,251			$	10,007
Region:
Americas		$	24,696			$	27			$	47,856			$	57
Asia Pacific			3,418				5,462				5,129				9,928
EMEA			401				-				1,266				22
Total		$	28,515			$	5,489			$	54,251			$	10,007

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, 2024		$	6,150			$	2,523			$	57,829
Increase for balance acquired			—				—				5,049
Increases for costs incurred to fulfill performance obligations			—				4,866				—
Increase (decrease) due to customer billings			(6,241	)			—				70,133
Decrease due to cost recognition on completed performance obligations			—				(2,553	)			—
Increase (decrease) due to recognition of revenue based on transfer of control of performance obligations			4,607				—				(52,084	)
Other changes and FX impact			7				12				344
Ending balance as of September 30, 2024		$	4,523			$	4,848			$	81,271

		Unbilled Accounts Receivable				Deferred Program Costs				Contract Liabilities
Beginning balance as of March 31, 2023		$	9,958			$	2,136			$	50,760
Increases for costs incurred to fulfill performance obligations			—				2,110				—
Increase (decrease) due to customer billings			(13,981	)			—				34,284
Decrease due to cost recognition on completed performance obligations			—				(2,160	)			—
Increase (decrease) due to recognition of revenue based on transfer of control of performance obligations			10,351				—				(25,710	)
Other changes and FX impact			7				(11	)			(288	)
Ending balance as of September 30, 2023		$	6,335			$	2,075			$	59,046

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

			Three Months Ended								Six Months Ended
	Reportable		September 30,								September 30,
	Segment		2024				2023				2024				2023
Inox Wind Limited	Wind			12	%			12	%			14	%			12	%
Gray Construction, Inc.	Grid			<10%				11	%			<10%				<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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