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Income Taxes - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Line Items]    
Statutory federal income tax rate 34.00% 34.00%
Retained earnings-substantially restricted $ 1,000,000 $ 1,000,000
Unrecorded deferred liability $ 354,000 $ 354,000