Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Net sales	$ 7,684	$ 9,404
Costs and expenses:
Cost of sales	7,044	8,183
Selling, general, and administrative expenses	1,411	1,703
Total costs and expenses	8,455	9,886
Operating loss	(771)	(482)
Other (expense) income:
Interest expense, net	(237)	(563)
Change in fair value of contingent earn-outs, net	2	188
Loss before income taxes	(1,006)	(857)
Income tax expense	(4)	(4)
Net loss	(1,010)	(861)
Preferred stock dividend	410	0
Net loss attributable to common shareholders	$ (1,420)	$ (861)
Net loss per share, basic and diluted (in usd per share)	$ (0.59)	$ (0.36)
Weighted average common shares outstanding, basic and diluted (in shares)	2,396	2,366