Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	2021			2020
Raw materials	$	18,492		$	14,865
Work in process		1,678			969
Finished goods		562			242
Reserves		(1,298	)		(2,159	)
Total	$	19,434		$	13,917

Property, Plant and Equipment [Table Text Block]

Buildings	39 Years
Leasehold improvements	3-15 Years
Manufacturing equipment	3-7 Years
Office and other equipment	3-7 Years

	2021			2020
Land	$	148		$	176
Building and Leasehold Improvements		4,083			5,999
Manufacturing Equipment		18,892			22,685
Office and Other Equipment		6,934			7,148
Accumulated Depreciation and Amortization		(24,224	)		(29,582	)
Total Property and Equipment, Net	$	5,833		$	6,426

Revenue from External Customers by Products and Services [Table Text Block]

	2021		2020
Medical	$	63,047	$	55,098
Aerospace and Defense		16,639		20,624
Industrial		35,482		28,384
Total Net Sales	$	115,168	$	104,106

Schedule of Long-lived Assets by Geographical Areas [Table Text Block]

	United States		Mexico		China		Total
December 31, 2021
Property and equipment, net	$	4,664	$	454	$	715	$	5,833
Operating Lease Assets	$	5,287		2,800		896	$	8,983
Other assets	$	501		-		-	$	501
December 31, 2020
Property and equipment, net	$	5,057	$	681	$	688	$	6,426
Operating Lease Assets	$	5,574		3,117		307	$	8,998
Other assets	$	1,173		-		-	$	1,173

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

	Year Ended
	December 31, 2020
	Previously Reported		After Reclassification
Cost of Goods Sold	$	95,651	$	94,441
General and Administrative Expenses		8,043		9,253