Note 3 - Revenue - Disaggregation of Revenue (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
Transferred over Time [Member]
Net Sales	96,924	89,377
Transferred over Time [Member] | Medical [Member]
Net Sales	51,473	47,285
Transferred over Time [Member] | Aerospace and Defense [Member]
Net Sales	16,745	14,879
Transferred over Time [Member] | Industrial [Member]
Net Sales	28,706	27,213
Transferred at Point in Time [Member]
Net Sales	32,688	20,962
Transferred at Point in Time [Member] | Medical [Member]
Net Sales	22,288	13,250
Transferred at Point in Time [Member] | Aerospace and Defense [Member]
Net Sales	1,859	861
Transferred at Point in Time [Member] | Industrial [Member]
Net Sales	8,541	6,851
Noncash Consideration [Member]
Net Sales	4,511	4,829
Noncash Consideration [Member] | Medical [Member]
Net Sales	2,146	2,512
Noncash Consideration [Member] | Aerospace and Defense [Member]
Net Sales	875	899
Noncash Consideration [Member] | Industrial [Member]
Net Sales	$ 1,490	$ 1,418