Note 11 - Segment Reporting - Net Sales by Market (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net sales	$ 94,343	$ 50,655	$ 165,585	$ 99,254
Percentage of concentration risk	100.00%	100.00%	100.00%	100.00%
Medical [Member]
Net sales	$ 74,290	$ 32,606	$ 126,873	$ 62,711
Percentage of concentration risk	78.70%	64.40%	76.60%	63.20%
Consumer [Member]
Net sales	$ 6,767	$ 6,080	$ 12,545	$ 11,676
Percentage of concentration risk	7.20%	12.00%	7.60%	11.80%
Automotive [Member]
Net sales	$ 4,351	$ 3,567	$ 8,702	$ 8,214
Percentage of concentration risk	4.60%	7.00%	5.30%	8.30%
Aerospace & Defense [Member]
Net sales	$ 3,751	$ 4,376	$ 7,507	$ 8,755
Percentage of concentration risk	4.00%	8.60%	4.50%	8.80%
Industrial [Member]
Net sales	$ 2,665	$ 2,230	$ 5,176	$ 4,345
Percentage of concentration risk	2.80%	4.40%	3.00%	4.30%
Electronics [Member]
Net sales	$ 2,519	$ 1,796	$ 4,782	$ 3,553
Percentage of concentration risk	2.70%	3.60%	3.00%	3.60%