Note 1 - Summary of Significant Accounting Policies - Disaggregation Of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net Sales	$ 139,332	$ 134,123
Transferred over Time [Member]
Net Sales	110,195	96,924
Transferred at Point in Time [Member]
Net Sales	25,049	32,688
Noncash Consideration [Member]
Net Sales	4,088	4,511
Medical [Member]
Net Sales	78,666	75,907
Medical [Member] | Transferred over Time [Member]
Net Sales	60,506	51,473
Medical [Member] | Transferred at Point in Time [Member]
Net Sales	15,799	22,288
Medical [Member] | Noncash Consideration [Member]
Net Sales	2,361	2,146
Aerospace and Defense [Member]
Net Sales	20,553	19,479
Aerospace and Defense [Member] | Transferred over Time [Member]
Net Sales	18,305	16,745
Aerospace and Defense [Member] | Transferred at Point in Time [Member]
Net Sales	1,847	1,859
Aerospace and Defense [Member] | Noncash Consideration [Member]
Net Sales	401	875
Industrial [Member]
Net Sales	40,113	38,737
Industrial [Member] | Transferred over Time [Member]
Net Sales	31,384	28,706
Industrial [Member] | Transferred at Point in Time [Member]
Net Sales	7,403	8,541
Industrial [Member] | Noncash Consideration [Member]
Net Sales	$ 1,326	$ 1,490