Loans Receivable, Net (Past Due Financing Receivables) (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	$ 5,119,137	$ 6,700,027
Financing Receivable, Recorded Investment, Current	439,581,515	438,220,068
Financing Receivable, Gross	444,700,652	444,920,095
Residential Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	760,448	829,713
Financing Receivable, Recorded Investment, Current	85,747,709	83,135,703
Financing Receivable, Gross	86,508,157	83,965,416
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	1,053,721	1,924,154
Financing Receivable, Recorded Investment, Current	55,158,869	54,983,401
Financing Receivable, Gross	56,212,590	56,907,555
Commercial Business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	147,483	330,424
Financing Receivable, Recorded Investment, Current	28,280,405	27,756,262
Financing Receivable, Gross	28,427,888	28,086,686
Commercial Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	3,157,485	3,615,736
Financing Receivable, Recorded Investment, Current	270,394,532	272,344,702
Financing Receivable, Gross	273,552,017	275,960,438
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	2,108,469	2,318,274
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	666,320	0
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	671,814	555,798
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	70,744	205,613
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	699,591	1,556,863
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	303,627	1,110,160
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	332,000
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	239,996	247,894
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	63,631	106,163
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	0	424,103
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	2,707,041	3,271,593
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	94,128	497,713
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	141,911	1,120,462
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	13,108	18,648
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	$ 2,457,894	$ 1,634,770