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Earnings (Loss) Per Common Share - Summary of Reconciliation of Earnings (Loss) Per Common Share (Detail) - 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
Basic Earnings (Loss) per Common Share:        
Net loss $ (4,469) $ (1,985) $ (12,631) $ (6,651)
Distributed earnings to common shares       1,553
Distributed earnings to participating securities       101
Total distributed earnings       1,654
Undistributed loss allocable to common shares (4,469) (1,985) (12,631) (8,305)
Undistributed earnings allocable to participating securities 0 0 0 0
Total undistributed loss (4,469) (1,985) (12,631) (8,305)
Loss to common shares-basic $ (4,469) $ (1,985) $ (12,631) $ (6,752)
Weighted average common shares outstanding-basic 8,309 7,176 8,101 7,097
Basic earnings (loss) per common share $ (0.54) $ (0.28) $ (1.56) $ (0.95)
Diluted Earnings (Loss) per Common Share:        
Loss to common shares-basic $ (4,469) $ (1,985) $ (12,631) $ (6,752)
Undistributed earnings allocated to participating securities 0 0 0 0
Undistributed earnings reallocated to participating securities 0 0 0 0
Loss to common shares-diluted $ (4,469) $ (1,985) $ (12,631) $ (6,752)
Weighted average common shares outstanding-basic 8,309 7,176 8,101 7,097
Dilutive effect of stock options 0 0 0 0
Weighted average common shares outstanding-dilutive 8,309 7,176 8,101 7,097
Diluted earnings (loss) per common share $ (0.54) $ (0.28) $ (1.56) $ (0.95)