Note 1 - Summary of Significant Accounting Policies - Net Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Net Sales	$ 134,123	$ 115,168
Medical [Member]
Net Sales	75,907	63,047
Aerospace and Defense [Member]
Net Sales	19,479	16,639
Industrial [Member]
Net Sales	$ 38,737	$ 35,482