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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
Mar. 31, 2016
Mar. 31, 2015
Numerator:    
(Loss) income from continuing operations $ (1,977) $ 1,224
Loss from discontinued operations (12) (95)
Net (loss) income $ (1,989) $ 1,129
Denominator:    
Basic weighted average common shares outstanding (in shares) 11,650 9,671
Potential common shares from options and warrants (in shares) 0 322
Diluted weighted average shares (in shares) 11,650 9,993