Note 4 - Revenue - Disaggregation of Revenue by Product Group and Sales Channel (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net sales	$ 534,792	$ 639,813	$ 654,233
Sales Channel, Directly to Consumer [Member]
Net sales	357,781	439,329	433,814
Sales Channel, Through Intermediary [Member]
Net sales	177,011	200,484	220,419
Power Solutions and Protection [Member]
Net sales	245,551	314,105	288,366
Power Solutions and Protection [Member] | Sales Channel, Directly to Consumer [Member]
Net sales	170,357	221,828	186,439
Power Solutions and Protection [Member] | Sales Channel, Through Intermediary [Member]
Net sales	75,194	92,277	101,927
Connectivity Solutions [Member]
Net sales	220,370	210,572	187,085
Connectivity Solutions [Member] | Sales Channel, Directly to Consumer [Member]
Net sales	138,377	130,893	112,128
Connectivity Solutions [Member] | Sales Channel, Through Intermediary [Member]
Net sales	81,993	79,679	74,957
Magnetic Solutions [Member]
Net sales	68,871	115,136	178,782
Magnetic Solutions [Member] | Sales Channel, Directly to Consumer [Member]
Net sales	49,047	86,608	135,247
Magnetic Solutions [Member] | Sales Channel, Through Intermediary [Member]
Net sales	19,824	28,528	43,535
North America [Member]
Net sales	362,160	447,793	409,200
North America [Member] | Power Solutions and Protection [Member]
Net sales	161,496	233,016	217,381
North America [Member] | Connectivity Solutions [Member]
Net sales	172,477	172,518	141,585
North America [Member] | Magnetic Solutions [Member]
Net sales	28,187	42,259	50,234
EMEA [Member]
Net sales	104,291	98,519	88,620
EMEA [Member] | Power Solutions and Protection [Member]
Net sales	57,010	57,567	42,121
EMEA [Member] | Connectivity Solutions [Member]
Net sales	42,581	32,689	35,596
EMEA [Member] | Magnetic Solutions [Member]
Net sales	4,700	8,263	10,903
Asia [Member]
Net sales	68,341	93,501	156,413
Asia [Member] | Power Solutions and Protection [Member]
Net sales	27,045	23,522	28,864
Asia [Member] | Connectivity Solutions [Member]
Net sales	5,312	5,365	9,904
Asia [Member] | Magnetic Solutions [Member]
Net sales	$ 35,984	$ 64,614	$ 117,645