Loans Receivable, Net (Past Due Financing Receivables) (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	$ 6,324,140	$ 6,996,614
Financing Receivable, Recorded Investment, Current	431,808,399	395,612,769
Financing Receivable, Gross	438,132,539	402,609,383
Residential Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	967,793	1,344,638
Financing Receivable, Recorded Investment, Current	84,225,698	79,910,529
Financing Receivable, Gross	85,193,491	81,255,167
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	1,348,551	872,744
Financing Receivable, Recorded Investment, Current	56,614,284	55,888,951
Financing Receivable, Gross	57,962,835	56,761,695
Commercial Business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	224,158	287,770
Financing Receivable, Recorded Investment, Current	27,183,801	26,490,123
Financing Receivable, Gross	27,407,959	26,777,893
Commercial Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	3,783,638	4,491,462
Financing Receivable, Recorded Investment, Current	263,784,616	233,323,166
Financing Receivable, Gross	267,568,254	237,814,628
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	2,332,918	3,393,753
Financing Receivables, 30 to 59 Days Past Due [Member] | Residential Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	473,728	395,763
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	275,395	604,809
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	187,558	185,526
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	1,396,237	2,207,655
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	602,712	551,937
Financing Receivables, 60 to 89 Days Past Due [Member] | Residential Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	164,359	85,178
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	31,600	102,244
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	406,753	364,515
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	3,388,510	3,050,924
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Residential Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	494,065	948,875
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	908,797	182,757
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	5,000	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	$ 1,980,648	$ 1,919,292