Note 13 - Segments - Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Net sales	$ 654,233	$ 543,494
Gross Profit	$ 183,453	$ 134,383
Gross Profit %	28.00%	24.70%
Total Assets	$ 560,466	$ 511,846
Capital Expenditures	8,832	9,397
Depreciation and amortization	14,863	16,861
Connectivity Solutions [Member]
Net sales	187,085	165,027
Gross Profit	$ 48,488	$ 43,501
Gross Profit %	25.90%	26.40%
Total Assets	$ 170,895	$ 147,813
Capital Expenditures	4,566	1,768
Depreciation and amortization	6,145	6,683
Power Solutions and Protection Segment [Member]
Net sales	288,366	218,035
Gross Profit	$ 87,840	$ 58,823
Gross Profit %	30.50%	27.00%
Total Assets	$ 234,095	$ 206,719
Capital Expenditures	3,916	4,718
Depreciation and amortization	6,470	8,022
Magnetic Solutions Segment [Member]
Net sales	178,782	160,432
Gross Profit	$ 49,290	$ 34,106
Gross Profit %	27.60%	21.30%
Total Assets	$ 107,891	$ 104,845
Capital Expenditures	350	2,911
Depreciation and amortization	2,133	2,126
Corporate Segment [Member]
Net sales	0	0
Gross Profit	(2,165)	(2,047)
Total Assets	47,585	52,469
Capital Expenditures	0	0
Depreciation and amortization	$ 115	$ 30