Loans Receivable, Net (Schedule of loans evaluated individually for impairment and collectively evaluated for impairment in the allowance for loan losses) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	$ 565,000		$ 565,000		$ 738,662
Balance At Beginning of Period	8,753,539	$ 8,611,176	9,171,717	$ 8,221,618
Provision for Loan Losses	75,000	150,000	175,000	150,000
Charge Offs	102,273	172,492	831,648	319,856
Recoveries	32,372	13,394	243,569	550,316
Balance At End of Period	8,758,638	8,602,078	8,758,638	8,602,078
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	8,193,638		8,193,638		8,433,055
Financing Receivable, Allowance for Credit Losses	8,758,638		8,758,638		9,171,717
Commercial Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	565,000		565,000		665,000
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	5,267,479		5,267,479		5,188,081
Financing Receivable, Allowance for Credit Losses	5,832,479		5,832,479		5,853,081
Commercial Business [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	761,138		761,138		923,600
Financing Receivable, Allowance for Credit Losses	761,138		761,138		923,600
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0		73,662
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,023,550		1,023,550		1,129,931
Financing Receivable, Allowance for Credit Losses	1,023,550		1,023,550		1,203,593
Residential Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0		0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,141,471		1,141,471		1,191,443
Financing Receivable, Allowance for Credit Losses	1,141,471		1,141,471		$ 1,191,443
Residential Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	1,125,812	1,309,069	1,191,443	1,233,843
Provision for Loan Losses	15,059	128,753	(20,899)	217,702
Charge Offs	0	27,489	34,599	41,419
Recoveries	600	0	5,526	207
Balance At End of Period	1,141,471	1,410,333	1,141,471	1,410,333
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	1,092,327	1,213,774	1,203,593	1,144,815
Provision for Loan Losses	8,207	(21,106)	82,715	51,275
Charge Offs	102,273	27,181	367,753	118,207
Recoveries	25,289	8,519	104,995	96,123
Balance At End of Period	1,023,550	1,174,006	1,023,550	1,174,006
Commercial Business [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	896,843	1,077,433	923,600	1,011,227
Provision for Loan Losses	(136,254)	(144,996)	(176,443)	(46,272)
Charge Offs	0	0	1,132	32,518
Recoveries	549	0	15,113	0
Balance At End of Period	761,138	932,437	761,138	932,437
Commercial Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	5,638,557	5,010,900	5,853,081	4,831,733
Provision for Loan Losses	187,988	187,349	289,627	(72,705)
Charge Offs	0	117,822	428,164	127,712
Recoveries	5,934	4,875	117,935	453,986
Balance At End of Period	$ 5,832,479	$ 5,085,302	$ 5,832,479	$ 5,085,302