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Note 6 - Goodwill and Other Intangibles - Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Mar. 31, 2025
Gross Amount	$ 20,031	$ 20,031
BacklogAccumulated Amortization	(14,789)	(14,116)
Net Book Value	3,442
Intangible assets, net	5,242	5,916
Trade Names [Member]
Indefinite life intangible assets	1,800	1,800
Backlog [Member]
Gross Amount	1,381	1,381
BacklogAccumulated Amortization	(1,381)	(1,381)
Net Book Value	$ 0	0
Estimated Useful Life (Year)	2 years
Customer Relationships [Member]
Gross Amount	$ 10,880	10,880
BacklogAccumulated Amortization	(8,332)	(7,901)
Net Book Value	$ 2,548	2,980
Customer Relationships [Member] | Minimum [Member]
Estimated Useful Life (Year)	7 years
Customer Relationships [Member] | Maximum [Member]
Estimated Useful Life (Year)	10 years
Core Technology and Know-how [Member]
Gross Amount	$ 5,970	5,970
BacklogAccumulated Amortization	(5,076)	(4,834)
Net Book Value	$ 894	$ 1,136
Core Technology and Know-how [Member] | Minimum [Member]
Estimated Useful Life (Year)	5 years
Core Technology and Know-how [Member] | Maximum [Member]
Estimated Useful Life (Year)	10 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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