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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 | 6 Months Ended
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Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Numerator: |  |  |  |
(Loss) income from continuing operations | $ (3,916) | $ 2,192 | $ (5,893) | $ 3,416
Loss from discontinued operations | 0 | (81) | (12) | (176)
Net (loss) income | $ (3,916) | $ 2,111 | $ (5,905) | $ 3,240
Denominator: |  |  |  |
Basic weighted average common shares outstanding (in shares) | 11,657 | 10,019 | 11,653 | 9,846
Potential common shares from equity awards and warrants (in shares) | 0 | 119 | 0 | 212
Diluted weighted average shares (in shares) | 11,657 | 10,138 | 11,653 | 10,058

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