Note 1 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	Shares			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding - January 1, 2019		224,750		$	3.44
Granted		186,200			4.31
Exercised		(2,250	)		3.20
Cancelled		(109,700	)		3.50
Outstanding - September 30, 2019		299,000		$	3.96		9.13	$	-
Exercisable - September 30, 2019		26,867		$	3.41		8.46	$	-

Schedule of Inventory, Current [Table Text Block]

	September 30,			December 31,
	2019			2018
Raw Materials	$	17,036		$	16,769
Work in Process		1,105			1,015
Finished Goods		198			332
Reserves		(1,398	)		(1,112	)
Total	$	16,941		$	17,004

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

			September 30, 2019
			Gross
			Carrying		Accumulated		Net Book
	Years		Amount		Amortization		Value
Customer Relationships		9	$	1,302	$	615	$	687
Intellectual Property		3		100		86		14
Trade Names		20		814		173		641
Patents		7		55		-		55
Totals			$	2,271	$	874	$	1,397

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

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

Year	Amount
Remainder of 2019	$	55
2020		191
2021		185
2022		185
2023		185
Thereafter		541
Total	$	1,342