Note 16 - Segments - Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue	$ 158,682	$ 177,739	$ 499,803	$ 485,030
Gross Profit	$ 55,465	$ 51,534	$ 164,666	$ 130,946
Gross Profit %	35.00%	29.00%	32.90%	27.00%
Power Solutions and Protection Segment [Member]
Revenue	$ 74,862	$ 76,433	$ 245,134	$ 206,247
Gross Profit	$ 31,206	$ 24,801	$ 92,010	$ 60,775
Gross Profit %	41.70%	32.40%	37.50%	29.50%
Connectivity Solutions [Member]
Revenue	$ 51,771	$ 50,253	$ 160,010	$ 140,062
Gross Profit	$ 18,510	$ 13,099	$ 57,218	$ 37,414
Gross Profit %	35.80%	26.10%	35.80%	26.70%
Magnetic Solutions Segment [Member]
Revenue	$ 32,049	$ 51,053	$ 94,659	$ 138,721
Gross Profit	$ 7,051	$ 15,501	$ 21,814	$ 37,476
Gross Profit %	22.00%	30.40%	23.00%	27.00%
Corporate Segment [Member]
Revenue	$ 0	$ 0	$ 0	$ 0
Gross Profit	$ (1,302)	$ (1,867)	$ (6,376)	$ (4,719)