Loans and Allowance for Loan Losses - Company's Loans (Detail) (USD $)	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate	$ 194,252,300	$ 193,632,740
Total loans	232,072,009	231,423,802
Less: Allowance for loan losses	(4,390,355)	(4,432,069)	(4,475,302)
Unearned interest and fees	(380,256)	(396,470)
Net deferred loan origination fees	(391,417)	(389,249)
Loans, net	226,909,981	226,206,014
Residential 1-4 Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate	87,530,922	88,414,921
Total loans	87,530,922	88,414,921
Less: Allowance for loan losses	(1,149,733)	(1,442,506)	(1,348,922)
Commercial Real Estate and Multi-Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate	74,702,650	74,497,078
Total loans	74,702,650	74,497,078
Less: Allowance for loan losses	(1,369,949)	(1,108,958)	(1,074,995)
Construction and Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans on real estate	32,018,728	30,720,741
Total loans	32,018,728	30,720,741
Less: Allowance for loan losses	(864,233)	(956,726)	(818,984)
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	13,856,780	13,058,544
Less: Allowance for loan losses	(340,497)	(331,938)	(686,065)
Consumer and Equity Lines of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 23,962,929	$ 24,732,518