Allowance for Loan Losses - Performing and Non Performing Loans (Detail) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Performing and non performing loans
Loan receivables	$ 141,238,048	$ 141,191,616
Performing [Member]
Performing and non performing loans
Loan receivables	139,763,165	137,250,244
Nonperforming [Member]
Performing and non performing loans
Loan receivables	1,474,883	3,941,372
Residential First Mortgages [Member]
Performing and non performing loans
Loan receivables	107,447,034	107,555,694
Residential First Mortgages [Member] | Performing [Member]
Performing and non performing loans
Loan receivables	106,964,478	104,877,404
Residential First Mortgages [Member] | Nonperforming [Member]
Performing and non performing loans
Loan receivables	482,556	2,678,290
Residential Revolving and Junior Mortgages [Member]
Performing and non performing loans
Loan receivables	27,229,262	26,982,512
Residential Revolving and Junior Mortgages [Member] | Performing [Member]
Performing and non performing loans
Loan receivables	26,265,465	25,724,597
Residential Revolving and Junior Mortgages [Member] | Nonperforming [Member]
Performing and non performing loans
Loan receivables	963,797	1,257,915
Consumer [Member]
Performing and non performing loans
Loan receivables	6,561,752	6,653,410
Consumer [Member] | Performing [Member]
Performing and non performing loans
Loan receivables	6,533,222	6,648,243
Consumer [Member] | Nonperforming [Member]
Performing and non performing loans
Loan receivables	$ 28,530	$ 5,167