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Basis of Presentation and Summary of Significant Accounting Policies - Reconciliation of Basic and Diluted Loss per Share (Details) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Numerator:        
Income (loss) from continuing operations $ 4,398 $ 256 $ 7,814 $ (4,181)
Loss from discontinued operations (142) (659) (318) (914)
Net income (loss) $ 4,256 $ (403) $ 7,496 $ (5,095)
Denominator:        
Basic weighted average common shares outstanding (in shares) 10,310 8,781 10,002 7,276
Potential common shares from options and warrants (in shares) 355 0 340 0
Diluted weighted average shares (in shares) 10,665 8,781 10,342 7,276