Note 11 - Segment Reporting - Net Sales by Market (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net sales	$ 71,242	$ 48,599
Percentage of concentration risk	100.00%	100.00%
Medical [Member]
Net sales	$ 52,718	$ 30,115
Percentage of concentration risk	74.00%	62.00%
Consumer [Member]
Net sales	$ 5,743	$ 5,596
Percentage of concentration risk	8.10%	11.50%
Automotive [Member]
Net sales	$ 4,351	$ 4,646
Percentage of concentration risk	6.10%	9.60%
Aerospace & Defense [Member]
Net sales	$ 3,755	$ 4,379
Percentage of concentration risk	5.30%	9.00%
Industrial [Member]
Net sales	$ 2,401	$ 2,098
Percentage of concentration risk	3.40%	4.30%
Electronics [Member]
Net sales	$ 2,274	$ 1,765
Percentage of concentration risk	3.20%	3.60%