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Note 5 - Goodwill and Other Intangibles - Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Accumulated Amortization	$ (11,144)	$ (9,524)
Net Book Value			$ 5,107
Intangible assets, gross amount	18,051	18,051
Intangible assets, net	6,907	8,527
Trade Names [Member]
Trade name and trademarks	1,800	1,800
Backlog [Member]
Gross Amount	681	681
Accumulated Amortization	(681)	(675)
Net Book Value	$ 0	6
Estimated Useful Life (Year)	2 years
Customer Relationships [Member]
Gross Amount	$ 9,600	9,600
Accumulated Amortization	(6,232)	(4,980)
Net Book Value	$ 3,368	4,620
Estimated Useful Life (Year)	7 years
Core Technology and Know-how [Member]
Gross Amount	$ 5,970	5,970
Accumulated Amortization	(4,231)	(3,869)
Net Book Value	$ 1,739	$ 2,101
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.

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+ References

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-Topic 210
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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