Note 15 - Segments - Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue	$ 136,718	$ 110,643
Gross Profit	$ 34,124	$ 24,259
Gross Profit %	25.00%	21.90%
Connectivity Solutions [Member]
Revenue	$ 43,713	$ 38,056
Gross Profit	$ 11,596	$ 9,773
Gross Profit %	26.50%	25.70%
Power Solutions and Protection Segment [Member]
Revenue	$ 58,790	$ 43,641
Gross Profit	$ 15,938	$ 10,782
Gross Profit %	27.10%	24.70%
Magnetic Solutions Segment [Member]
Revenue	$ 34,215	$ 28,946
Gross Profit	$ 6,890	$ 3,961
Gross Profit %	20.10%	13.70%
Corporate Segment [Member]
Revenue	$ 0	$ 0
Gross Profit	$ (300)	$ (257)