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Discontinued Operations (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Net sales $ 0 $ 181 $ 0 $ 287
Cost of sales 0 (101) 0 (221)
Operating expenses 0 (91) 0 (266)
Loss from disposal of discontinued operations 0 (77) 0 (241)
Income tax benefit 0 34 0 174
Loss from discontinued operations, net $ 0 $ (54) $ 0 $ (267)
Loss per share from discontinued operations, net:        
Basic (in dollars per share) $ 0 $ (0.01) $ 0 $ (0.02)
Diluted (in dollars per share) $ 0 $ (0.01) $ 0 $ (0.02)
Weighted average shares outstanding:        
Basic (in shares) 18,671,648 14,850,874 18,565,198 14,462,305
Diluted (in shares) 18,671,648 15,963,975 18,565,198 15,575,406