Discontinued Operations - Components of the Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Discontinued Operations and Disposal Groups [Abstract]
Net sales	$ 0	$ 390	$ 0	$ 947
Cost of sales	0	198	0	505
Gross profit	0	192	0	442
Operating expenses of discontinued operations	0	278	0	562
Other (income) expenses	0	(41)	0	(6)
Loss on disposal of discontinued operations	0	36	12	72
Loss from discontinued operations before income taxes	0	(81)	(12)	(186)
Benefit from income taxes	0	0	0	(10)
Loss from discontinued operations	$ 0	$ (81)	$ (12)	$ (176)