Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	2019			2018
Raw materials	$	15,245		$	16,769
Work in process		479			1,015
Finished goods		41			332
Reserves		(1,486	)		(1,112	)
Total	$	14,279		$	17,004

Property, Plant and Equipment [Table Text Block]

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

	2019			2018
Land	$	360		$	360
Building and Leasehold Improvements		9,660			9,184
Manufacturing Equipment		21,908			21,260
Office and Other Equipment		7,192			7,074
Accumulated Depreciation		(29,539	)		(27,700	)
Total Property and Equipment, Net	$	9,581		$	10,178

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	December 31, 2019
		Gross		Accumulated		Net Book
		Carrying		Amortization		Value
	Years	Amount		Amount		Amount
Customer Relationships	9	$	1,302	$	651	$	651
Intellectual Property	3		100		95		5
Trade Names	20		814		183		631
Other	7		56		-		56
Totals		$	2,272	$	929	$	1,343

	December 31, 2018
		Gross		Accumulated		Net Book
		Carrying		Amortization		Value
	Years	Amount		Amount		Amount
Customer Relationships	9	$	1,302	$	506	$	796
Intellectual Property	3		100		61		39
Trade Names	20		814		143		671
Other	7		17		-		17
Totals		$	2,233	$	710	$	1,523

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year	Amount
2020	$	191
2021		185
2022		185
2023		185
Thereafter		541
Total	$	1,287

Schedule of Weighted Average Number of Shares [Table Text Block]

	2019		2018
Basic weighted average common shares outstanding		2,665,165		2,692,382
Weighted average common stock equivalents from assumed exercise of stock options		-		7,232
Diluted weighted average common shares outstanding		2,665,165		2,699,614

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

	2019		2018
Aerospace and Defense	$	18,207	$	18,314
Medical		62,612		49,974
Industrial		35,514		45,082
Total Net Sales	$	116,333	$	113,370

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

	United States		Mexico		China		Total
December 31, 2019
Property and equipment, net	$	8,024	$	961	$	596	$	9,581
Operating Lease Assets	$	4,827		-		-		4,827
Other assets	$	3,719		-		-		3,719
December 31, 2018
Property and equipment, net	$	8,687	$	821	$	670	$	10,178
Other assets		3,898		8		-		3,906