Note 3 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net Sales	$ 34,888	$ 30,711
Medical [Member]
Net Sales	21,372	15,266
Industrial [Member]
Net Sales	9,472	8,667
Aerospace and Defense [Member]
Net Sales	4,044	6,778
Transferred over Time [Member]
Net Sales	25,730	22,393
Transferred over Time [Member] | Medical [Member]
Net Sales	15,725	9,807
Transferred over Time [Member] | Industrial [Member]
Net Sales	6,590	6,529
Transferred over Time [Member] | Aerospace and Defense [Member]
Net Sales	3,415	6,057
Transferred at Point in Time [Member]
Net Sales	8,019	7,131
Transferred at Point in Time [Member] | Medical [Member]
Net Sales	5,061	4,915
Transferred at Point in Time [Member] | Industrial [Member]
Net Sales	2,408	1,791
Transferred at Point in Time [Member] | Aerospace and Defense [Member]
Net Sales	550	425
Noncash Consideration [Member]
Net Sales	1,139	1,187
Noncash Consideration [Member] | Medical [Member]
Net Sales	586	544
Noncash Consideration [Member] | Industrial [Member]
Net Sales	474	347
Noncash Consideration [Member] | Aerospace and Defense [Member]
Net Sales	$ 79	$ 296