LOAN PORTFOLIO COMPOSITION - Composition of Loan Portfolio (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Accounts Notes And Loans Receivable [Line Items]
Less: Allowance for loan losses	$ 2,934,691	$ 2,919,594
Total loans receivable, net	188,691,035	193,039,879
Loans Receivable
Accounts Notes And Loans Receivable [Line Items]
Total loans receivable	$ 191,652,207	$ 195,988,766	$ 187,763,473
Total loans receivable, percentage	101.60%	101.50%
Less: Net deferred loan fees	$ 26,481	$ 29,293
Less: Net deferred loan fees, percentage	0.00%	0.00%
Less: Allowance for loan losses	$ 2,934,691	$ 2,919,594
Less: Allowance for loan losses, percentage	1.60%	1.50%
Total loans receivable, net	$ 188,691,035	$ 193,039,879
Total loans receivable, net, percentage	100.00%	100.00%
Loans Receivable | Real estate loans
Accounts Notes And Loans Receivable [Line Items]
Total loans receivable	$ 141,624,545	$ 140,691,759
Total loans receivable, percentage	75.10%	72.90%
Loans Receivable | Real estate loans | One-to-four family residential
Accounts Notes And Loans Receivable [Line Items]
Total loans receivable	$ 47,145,148	$ 47,395,344	44,129,552
Total loans receivable, percentage	25.00%	24.60%
Loans Receivable | Real estate loans | Commercial
Accounts Notes And Loans Receivable [Line Items]
Total loans receivable	$ 42,066,787	$ 40,381,680	41,494,647
Total loans receivable, percentage	22.30%	20.90%
Loans Receivable | Real estate loans | Agricultural
Accounts Notes And Loans Receivable [Line Items]
Total loans receivable	$ 41,214,973	$ 41,223,190	43,395,717
Total loans receivable, percentage	21.90%	21.30%
Loans Receivable | Real estate loans | Home equity
Accounts Notes And Loans Receivable [Line Items]
Total loans receivable	$ 11,197,637	$ 11,691,545	11,478,191
Total loans receivable, percentage	5.90%	6.10%
Loans Receivable | Commercial loans
Accounts Notes And Loans Receivable [Line Items]
Total loans receivable	$ 22,032,482	$ 25,453,058	23,945,542
Total loans receivable, percentage	11.70%	13.20%
Loans Receivable | Agricultural loans
Accounts Notes And Loans Receivable [Line Items]
Total loans receivable	$ 14,611,902	$ 16,102,856	10,854,507
Total loans receivable, percentage	7.70%	8.30%
Loans Receivable | Consumer loans
Accounts Notes And Loans Receivable [Line Items]
Total loans receivable	$ 13,383,278	$ 13,741,093	$ 12,465,317
Total loans receivable, percentage	7.10%	7.10%