Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	2022			2021
Raw materials	$	21,673		$	18,492
Work in process		1,238			1,678
Finished goods		671			562
Reserves		(1,144	)		(1,298	)
Total	$	22,438		$	19,434

Property, Plant and Equipment [Table Text Block]

	(in years)
Buildings			39
Leasehold improvements		3	-	15
Manufacturing equipment		3	-	7
Office and other equipment		3	-	7

	2022			2021
Land	$	148		$	148
Building and Leasehold Improvements		5,289			4,083
Manufacturing Equipment		19,128			18,892
Office and Other Equipment		6,822			6,934
Accumulated Depreciation and Amortization		(24,979	)		(24,224	)
Total Property and Equipment, Net	$	6,408		$	5,833

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

	2022		2021
Medical	$	75,907	$	63,047
Aerospace and Defense		19,479		16,639
Industrial		38,737		35,482
Total Net Sales	$	134,123	$	115,168

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

	United States		Mexico		China		Total
December 31, 2022
Property and Equipment, Net	$	5,109	$	494	$	805	$	6,408
Operating Lease Assets	$	5,381		2,469		-	$	7,850
Other Assets	$	422		-		-	$	422
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

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

Consolidated Statements of Cash Flows
	December 31, 2021
CASH FLOWS FROM FINANCING ACTIVITIES	As reported			Adjustment			As revised
Net Proceeds from Line of Credit		5,688			(5,688	)		-
Proceeds from Line of Credit		-			109,544			109,544
Payments to Line of Credit		-			(103,856	)		(103,856	)
Principal Payments on Long-Term Debt		(1,128	)					(1,128	)
Principal Payments on Financing Leases		(664	)					(664	)
Stock Option Excercises		35						35
Net Cash Provided By Financing Activities		3,931			-			3,931