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Income (Loss) Per Common Share - Antidilutive Securities Excluded from Computation of Earnings Per Share (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from computation of diluted earning per share 1,590,081 243,000 335,757 249,000
Convertible Preferred Stocks [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from computation of diluted earning per share 916,666      
Stock Options [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from computation of diluted earning per share 673,415 243,000 335,757 249,000