Note 3 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Net sales		$ 34,215	$ 34,888
Medical [Member]
Net sales		20,282	21,372
Aerospace and Defense [Member]
Net sales		5,860	9,472
Industrial [Member]
Net sales		8,073	4,044
Transferred over Time [Member]
Net sales		25,214	25,730
Transferred over Time [Member] | Medical [Member]
Net sales		14,240	15,725
Transferred over Time [Member] | Aerospace and Defense [Member]
Net sales		5,545	6,590
Transferred over Time [Member] | Industrial [Member]
Net sales		5,429	3,415
Transferred at Point in Time [Member]
Net sales		7,834	8,019
Transferred at Point in Time [Member] | Medical [Member]
Net sales		5,245	5,061
Transferred at Point in Time [Member] | Aerospace and Defense [Member]
Net sales		242	2,408
Transferred at Point in Time [Member] | Industrial [Member]
Net sales		2,347	550
Noncash Consideration [Member]
Net sales	[1]	1,167	1,139
Noncash Consideration [Member] | Medical [Member]
Net sales	[1]	797	586
Noncash Consideration [Member] | Aerospace and Defense [Member]
Net sales	[1]	73	474
Noncash Consideration [Member] | Industrial [Member]
Net sales	[1]	$ 297	$ 79

[1] Noncash consideration represents material provided by the customer used in the build of the product.