Fair Values of Financial Instruments (Details 1) - USD ($)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financial assets - Carrying Amount
Cash and cash equivalents	$ 10,622,162	$ 12,371,408	$ 13,280,234
Loans receivable, net	262,573,603	259,636,706	273,986,237
Cash value of life insurance	9,327,878	9,357,712	9,138,658
Financial liabilities - Carrying Amount
Deposits	333,237,328	335,191,530	338,877,292
Long-term debt	20,000,000	20,000,000	20,000,000
Financial assets - Fair Value
Cash and cash equivalents	10,622,162
Loans receivable, net	260,223,000	252,239,000	268,536,000
Cash value of life insurance	9,327,878	9,357,712	9,138,658
Financial liabilities - Fair Value
Deposits	315,418,000	307,924,000	310,239,000
Long-term debt	20,445,000	$ 20,688,000	$ 20,951,000
Level 1 | Fair Value
Financial assets - Fair Value
Cash and cash equivalents	10,622,162
Financial liabilities - Fair Value
Deposits	210,525,000
Level 2 | Fair Value
Financial assets - Fair Value
Cash value of life insurance	9,327,878
Financial liabilities - Fair Value
Deposits	104,893,000
Long-term debt	20,445,000
Level 3 | Fair Value
Financial assets - Fair Value
Loans receivable, net	$ 260,223,000