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Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Net Income per Share |  |  |  |
Net income from continuing operations | $ 1,607 | $ 5,097 | $ 8,205 | $ 18,883
Income (loss) from discontinued operations | 804 | (4,106) | 2,116 | (4,993)
Net income attributable to common shareholders | $ 2,766 | $ 1,017 | $ 10,994 | $ 13,916
Basic weighted-average shares outstanding | 18,688 | 17,310 | 18,678 | 16,563
Basic net income per common share: |  |  |  |
Net income from continuing operations (in dollars per share) | $ 0.09 | $ 0.29 | $ 0.44 | $ 1.14
Income (loss) from discontinued operations (in dollars per share) | 0.04 | (0.24) | 0.11 | (0.30)
Net income attributable to common shareholders (in dollars per share) | $ 0.15 | $ 0.06 | $ 0.59 | $ 0.84
Diluted shares outstanding |  |  |  |
Basic weighted-average shares outstanding | 18,688 | 17,310 | 18,678 | 16,563
Stock options and restricted stock units | 429 | 502 | 515 | 505
Diluted weighted-average shares outstanding | 19,117 | 17,812 | 19,193 | 17,068
Diluted net income per common share: |  |  |  |
Net income from continuing operations (in dollars per share) | $ 0.08 | $ 0.29 | $ 0.43 | $ 1.11
Income (loss) from discontinued operations (in dollars per share) | 0.04 | (0.23) | 0.11 | (0.29)
Net income attributable to common shareholders (in dollars per share) | $ 0.15 | $ 0.06 | $ 0.57 | $ 0.82
Potentially dilutive shares excluded from diluted per share amounts (in shares) | 348 | 133 | 348 | 133
Potentially anti-dilutive shares excluded from diluted per share amounts (in shares) | 752 | 210 | 613 | 210

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