Note 2 - Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenues	$ 24,303	$ 14,520	$ 42,249	$ 29,392
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Revenues	2,086	274	2,342	3,555
Consolidation, Eliminations [Member]
Revenues	0	(401)	0	(424)
Gearing [Member] \| Operating Segments [Member]
Revenues	9,045	7,284	17,499	13,251
Industrial Solutions [Member] \| Operating Segments [Member]
Revenues	$ 13,172	$ 7,363	$ 22,408	$ 13,010

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details