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Fair Value of Financial Instruments - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Carrying value of an impaired loan $ 11,079,526 $ 5,192,258
Impaired loans, allowance for loan losses 2,296,603 1,093,227
Fair value adjustment to OREO due to declines or impairment after foreclosure $ 276,400 $ 309,797