Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 34,477	$ 40,553
Costs and expenses:
Cost of sales	31,501	37,668
Selling, general, and administrative expenses	5,501	6,690
Goodwill impairment charge	0	3,020
Total costs and expenses	37,002	47,378
Operating loss	(2,525)	(6,825)
Other (expense) income:
Interest expense, net	(997)	(2,278)
Change in fair value of contingent earn-outs, net	6	437
Loss before income taxes	(3,516)	(8,666)
Income tax expense	0	(11)
Net loss	(3,516)	(8,677)
Preferred stock dividend	0	(407)
Accrued preferred stock dividend	(1,716)	0
Net loss attributable to common shareholders	$ (5,232)	$ (9,084)
Net loss per share - basic and diluted (USD per share)	$ (2.17)	$ (3.83)
Weighted average common shares outstanding - basic and diluted (in shares)	2,407	2,372