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Note 15 - Segments - Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue	$ 177,739	$ 146,966	$ 485,030	$ 396,351
Gross Profit	$ 51,534	$ 35,974	$ 130,946	$ 95,117
Gross Profit %	29.00%	24.50%	27.00%	24.00%
Connectivity Solutions [Member]
Revenue	$ 50,253	$ 40,344	$ 140,062	$ 121,446
Gross Profit	$ 13,099	$ 10,003	$ 37,414	$ 32,826
Gross Profit %	26.10%	24.80%	26.70%	27.00%
Power Solutions and Protection Segment [Member]
Revenue	$ 76,433	$ 60,281	$ 206,247	$ 159,312
Gross Profit	$ 24,801	$ 15,762	$ 60,775	$ 40,917
Gross Profit %	32.40%	26.10%	29.50%	25.70%
Magnetic Solutions Segment [Member]
Revenue	$ 51,053	$ 46,341	$ 138,721	$ 115,593
Gross Profit	$ 15,501	$ 10,722	$ 37,476	$ 24,026
Gross Profit %	30.40%	23.10%	27.00%	20.80%
Corporate Segment [Member]
Revenue	$ 0	$ 0	$ 0	$ 0
Gross Profit	$ (1,867)	$ (513)	$ (4,719)	$ (2,652)

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