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Net Income (Loss) Per Common Share (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share [Abstract]        
Net income attributable to common shareholders $ 1,168,000 $ 0 $ (7,988,000) $ 0
Anti-dilutive shares excluded from the calculation of income per common share 389,283