Note 14 - Segments - Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net sales	$ 639,813	$ 654,233
Gross Profit	$ 215,849	$ 183,453
Gross Profit %	33.70%	28.00%
Total Assets	$ 571,631	$ 560,466
Capital Expenditures	12,126	8,832
Depreciation and amortization	13,312	14,863
Power Solutions and Protection Segment [Member]
Net sales	314,105	288,366
Gross Profit	$ 119,741	$ 87,840
Gross Profit %	38.10%	30.50%
Total Assets	$ 222,068	$ 234,095
Capital Expenditures	4,563	3,916
Depreciation and amortization	5,280	6,470
Connectivity Solutions [Member]
Net sales	210,572	187,085
Gross Profit	$ 72,031	$ 48,488
Gross Profit %	34.20%	25.90%
Total Assets	$ 197,045	$ 170,895
Capital Expenditures	7,384	4,566
Depreciation and amortization	6,152	6,145
Magnetic Solutions Segment [Member]
Net sales	115,136	178,782
Gross Profit	$ 25,314	$ 49,290
Gross Profit %	22.00%	27.60%
Total Assets	$ 47,900	$ 107,891
Capital Expenditures	160	350
Depreciation and amortization	1,094	2,133
Corporate Segment [Member]
Net sales	0	0
Gross Profit	(1,237)	(2,165)
Total Assets	104,618	47,585
Capital Expenditures	19	0
Depreciation and amortization	$ 786	$ 115