Operating Segments and Related Information Results of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting [Abstract]
Revenue, net	$ 5	$ 558	$ (11)	$ 999
Cost of sales	(128)	880	712	2,300
Selling, general and administrative expense	(4)	203	180	630
Depreciation and amortization	4	7	11	30
Gain (loss) from discontinued operations before income taxes	133	(532)	(914)	(1,961)
Income tax expense	0	0	0	0
Net gain (loss) from discontinued operations	$ 133	$ (532)	$ (914)	$ (1,961)