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Income Taxes - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Income Tax Disclosure [Abstract]          
PROVISION FOR INCOME TAXES $ 413,000 $ 350,000 $ 1,297,000 $ 1,206,000  
Effective tax rate     31.40% 28.90%  
Net deferred tax assets $ 8,900,000   $ 8,900,000   $ 10,800,000