Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Sales, net	$ 7,380	$ 12,069
Expenses
Cost of products	5,143	8,240
Selling, general and administrative	3,443	3,063
Total expenses	8,586	11,303
Operating (loss) income	(1,206)	766
Other (expense) income:
Net interest income	8	1
Other (expense) income	(87)	1
Loss on disposal of property, plant and equipment	(104)	0
Total other (expense) income	(183)	2
(Loss) income before taxes	(1,389)	768
Income tax benefit (expense)	121	(255)
Net (loss) income	$ (1,268)	$ 513
Net (loss) earnings per share-basic	$ (0.09)	$ 0.04
Net (loss) earnings per share-diluted	$ (0.09)	$ 0.04
Weighted average shares outstanding-basic	14,038,949	13,730,562
Weighted average shares outstanding-diluted	14,038,949	13,798,191