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Discontinued Operations - Components Included in Loss (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Discontinued Operations and Disposal Groups [Abstract]                      
Net sales                 $ 0 $ 1,078 $ 6,262
Cost of sales                 0 588 4,690
Gross Profit                 0 490 1,572
Operating expenses of discontinued operations                 0 657 3,079
Other expenses                 0 0 64
Loss on disposal of discontinued operations                 (12) (534) (30)
(Loss) income from discontinued operations before income taxes                 (12) (701) (1,601)
Provision for (benefit from) income taxes                 0 (10) (2)
(Loss) from discontinued operations $ 0 $ 0 $ 0 $ (12) $ (373) $ (142) $ (81) $ (95) $ (12) $ (691) $ (1,599)