Operating Segments and Related Information - Results of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting [Abstract]
Revenue, net	$ (4)	$ 294	$ (15)	$ 441
Cost of sales	451	809	840	1,420
Selling, general and administrative expense	100	202	184	427
Depreciation and amortization	4	10	7	23
Loss from discontinued operations before income taxes	(559)	(727)	(1,046)	(1,429)
Income tax expense	0	0	0	0
Net loss from discontinued operations	$ (559)	$ (727)	$ (1,046)	$ (1,429)