Note 3 - Revenue - Disaggregation of Revenue by Product Group and Sales Channel (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net sales	$ 172,344	$ 136,718
Sales Channel, Directly to Consumer [Member]
Net sales	120,750	87,635
Sales Channel, Through Intermediary [Member]
Net sales	51,594	49,083
Connectivity Solutions [Member]
Net sales	53,396	43,713
Connectivity Solutions [Member] | Sales Channel, Directly to Consumer [Member]
Net sales	33,725	26,053
Connectivity Solutions [Member] | Sales Channel, Through Intermediary [Member]
Net sales	19,671	17,660
Power Solutions and Protection [Member]
Net sales	83,181	58,790
Power Solutions and Protection [Member] | Sales Channel, Directly to Consumer [Member]
Net sales	59,614	35,844
Power Solutions and Protection [Member] | Sales Channel, Through Intermediary [Member]
Net sales	23,567	22,946
Magnetic Solutions [Member]
Net sales	35,767	34,215
Magnetic Solutions [Member] | Sales Channel, Directly to Consumer [Member]
Net sales	27,411	25,738
Magnetic Solutions [Member] | Sales Channel, Through Intermediary [Member]
Net sales	8,356	8,477
North America [Member]
Net sales	116,167	85,759
North America [Member] | Connectivity Solutions [Member]
Net sales	43,013	32,532
North America [Member] | Power Solutions and Protection [Member]
Net sales	62,800	42,349
North America [Member] | Magnetic Solutions [Member]
Net sales	10,354	10,878
Europe [Member]
Net sales	24,766	21,070
Europe [Member] | Connectivity Solutions [Member]
Net sales	8,401	9,214
Europe [Member] | Power Solutions and Protection [Member]
Net sales	13,599	9,385
Europe [Member] | Magnetic Solutions [Member]
Net sales	2,766	2,471
Asia [Member]
Net sales	31,411	29,889
Asia [Member] | Connectivity Solutions [Member]
Net sales	1,982	1,967
Asia [Member] | Power Solutions and Protection [Member]
Net sales	6,782	7,056
Asia [Member] | Magnetic Solutions [Member]
Net sales	$ 22,647	$ 20,866