Note 5 - Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Goodwill	$ 32,475	$ 21,728
Electronic Test [Member]
Goodwill	14,166	3,436
Environmental Technologies [Member]
Goodwill	1,817	1,817
Process Technologies [Member]
Goodwill	$ 16,492	$ 16,475

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details