Allowance for Loan Losses - Internal Risk Rating Grades (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
INTERNAL RISK RATING GRADES
Loan Receivables	$ 105,842,762	$ 98,046,533
Pass
INTERNAL RISK RATING GRADES
Loan Receivables	80,254,847	71,075,442
Watch
INTERNAL RISK RATING GRADES
Loan Receivables	18,869,016	17,117,722
Special Mention
INTERNAL RISK RATING GRADES
Loan Receivables	2,904,073	4,835,215
Substandard
INTERNAL RISK RATING GRADES
Loan Receivables	3,814,826	4,818,154
Doubtful
INTERNAL RISK RATING GRADES
Loan Receivables		200,000
Construction, Land and Land Development
INTERNAL RISK RATING GRADES
Loan Receivables	31,838,883	29,024,294
Construction, Land and Land Development | Pass
INTERNAL RISK RATING GRADES
Loan Receivables	25,615,970	21,877,355
Construction, Land and Land Development | Watch
INTERNAL RISK RATING GRADES
Loan Receivables	3,493,341	4,746,266
Construction, Land and Land Development | Special Mention
INTERNAL RISK RATING GRADES
Loan Receivables	1,415,741	1,162,388
Construction, Land and Land Development | Substandard
INTERNAL RISK RATING GRADES
Loan Receivables	1,313,831	1,038,285
Construction, Land and Land Development | Doubtful
INTERNAL RISK RATING GRADES
Loan Receivables		200,000
Farmland
INTERNAL RISK RATING GRADES
Loan Receivables	1,261,825	1,442,757
Farmland | Pass
INTERNAL RISK RATING GRADES
Loan Receivables	1,261,825	1,442,757
Commercial Mortgages (Non-Owner Occupied)
INTERNAL RISK RATING GRADES
Loan Receivables	14,626,139	13,420,551
Commercial Mortgages (Non-Owner Occupied) | Pass
INTERNAL RISK RATING GRADES
Loan Receivables	9,082,983	7,362,289
Commercial Mortgages (Non-Owner Occupied) | Watch
INTERNAL RISK RATING GRADES
Loan Receivables	5,204,100	2,824,575
Commercial Mortgages (Non-Owner Occupied) | Special Mention
INTERNAL RISK RATING GRADES
Loan Receivables		2,574,371
Commercial Mortgages (Non-Owner Occupied) | Substandard
INTERNAL RISK RATING GRADES
Loan Receivables	339,056	659,316
Commercial Mortgages (Owner Occupied)
INTERNAL RISK RATING GRADES
Loan Receivables	34,177,314	33,634,384
Commercial Mortgages (Owner Occupied) | Pass
INTERNAL RISK RATING GRADES
Loan Receivables	23,983,720	23,974,131
Commercial Mortgages (Owner Occupied) | Watch
INTERNAL RISK RATING GRADES
Loan Receivables	7,429,025	6,680,142
Commercial Mortgages (Owner Occupied) | Special Mention
INTERNAL RISK RATING GRADES
Loan Receivables	1,001,243	338,902
Commercial Mortgages (Owner Occupied) | Substandard
INTERNAL RISK RATING GRADES
Loan Receivables	1,763,326	2,641,209
Commercial and Industrial loans
INTERNAL RISK RATING GRADES
Loan Receivables	23,938,601	20,524,547
Commercial and Industrial loans | Pass
INTERNAL RISK RATING GRADES
Loan Receivables	20,310,349	16,418,910
Commercial and Industrial loans | Watch
INTERNAL RISK RATING GRADES
Loan Receivables	2,742,550	2,866,739
Commercial and Industrial loans | Special Mention
INTERNAL RISK RATING GRADES
Loan Receivables	487,089	759,554
Commercial and Industrial loans | Substandard
INTERNAL RISK RATING GRADES
Loan Receivables	$ 398,613	$ 479,344