Allowance for Loan Losses - Internal Risk Rating Grades are Assigned to Commercial Loans not Secured (Detail) (USD $)	Sep. 30, 2013	Sep. 30, 2012
INTERNAL RISK RATING GRADES
Loan Receivables	$ 104,764,995	$ 98,046,533
Pass [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	78,856,892	71,075,442
Watch [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	16,820,975	17,117,722
Special Mention [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	4,254,511	4,835,215
Substandard [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	4,832,617	4,818,154
Doubtful [Member]
INTERNAL RISK RATING GRADES
Loan Receivables		200,000
Construction, Land and Land Development [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	28,837,320	29,024,294
Construction, Land and Land Development [Member] | Pass [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	22,124,916	21,877,355
Construction, Land and Land Development [Member] | Watch [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	4,109,037	4,746,266
Construction, Land and Land Development [Member] | Special Mention [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	1,313,018	1,162,388
Construction, Land and Land Development [Member] | Substandard [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	1,290,349	1,038,285
Construction, Land and Land Development [Member] | Doubtful [Member]
INTERNAL RISK RATING GRADES
Loan Receivables		200,000
Farmland [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	1,283,588	1,442,757
Farmland [Member] | Pass [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	1,283,588	1,442,757
Farmland [Member] | Watch [Member]
INTERNAL RISK RATING GRADES
Loan Receivables
Farmland [Member] | Special Mention [Member]
INTERNAL RISK RATING GRADES
Loan Receivables
Farmland [Member] | Substandard [Member]
INTERNAL RISK RATING GRADES
Loan Receivables
Farmland [Member] | Doubtful [Member]
INTERNAL RISK RATING GRADES
Loan Receivables
Commercial Mortgages (Non-Owner Occupied) [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	15,022,880	13,420,551
Commercial Mortgages (Non-Owner Occupied) [Member] | Pass [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	8,929,269	7,362,289
Commercial Mortgages (Non-Owner Occupied) [Member] | Watch [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	3,447,988	2,824,575
Commercial Mortgages (Non-Owner Occupied) [Member] | Special Mention [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	2,306,567	2,574,371
Commercial Mortgages (Non-Owner Occupied) [Member] | Substandard [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	339,056	659,316
Commercial Mortgages (Non-Owner Occupied) [Member] | Doubtful [Member]
INTERNAL RISK RATING GRADES
Loan Receivables
Commercial Mortgages (Owner Occupied) [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	33,659,674	33,634,384
Commercial Mortgages (Owner Occupied) [Member] | Pass [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	23,766,686	23,974,131
Commercial Mortgages (Owner Occupied) [Member] | Watch [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	6,987,815	6,680,142
Commercial Mortgages (Owner Occupied) [Member] | Special Mention [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	167,562	338,902
Commercial Mortgages (Owner Occupied) [Member] | Substandard [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	2,737,611	2,641,209
Commercial Mortgages (Owner Occupied) [Member] | Doubtful [Member]
INTERNAL RISK RATING GRADES
Loan Receivables
Commercial and Industrial Loans [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	25,961,533	20,524,547
Commercial and Industrial Loans [Member] | Pass [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	22,752,433	16,418,910
Commercial and Industrial Loans [Member] | Watch [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	2,276,135	2,866,739
Commercial and Industrial Loans [Member] | Special Mention [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	467,364	759,554
Commercial and Industrial Loans [Member] | Substandard [Member]
INTERNAL RISK RATING GRADES
Loan Receivables	465,601	479,344
Commercial and Industrial Loans [Member] | Doubtful [Member]
INTERNAL RISK RATING GRADES
Loan Receivables