Note 4 - Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Jan. 01, 2022	Dec. 31, 2021
Goodwill, gross	$ 25,099	$ 26,651
Goodwill	25,099	26,651	$ 26,651
Goodwill allocation related to acquisition	0
Foreign currency translation	(1,552)
North America [Member] \| Cinch Connectivity Solutions Segment [Member]
Goodwill, gross	6,947	7,735
Goodwill	6,947	7,735
Goodwill allocation related to acquisition	0
Foreign currency translation	(788)
Asia [Member] \| Power Solutions and Protection Segment [Member]
Goodwill, gross	18,152	18,916
Goodwill	18,152	18,916
Goodwill allocation related to acquisition	0
Foreign currency translation	(764)
Europe [Member] \| Magnetic Solutions Segment [Member]
Goodwill, gross	0	0
Goodwill	0	$ 0
Goodwill allocation related to acquisition	0
Foreign currency translation	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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