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, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	$ 0		$ 0		$ 14,289
Balance At Beginning of Period	8,202,632	$ 8,395,214	8,356,231	$ 8,275,133
Provision for Loan Losses	100,000	0	100,000	0
Charge Offs	259,438	323,247	514,685	679,746
Recoveries	125,994	39,144	227,642	515,724
Balance At End of Period	8,169,188	8,111,111	8,169,188	8,111,111
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	8,169,188		8,169,188		8,341,942
Financing Receivable, Allowance for Credit Losses	8,169,188		8,169,188		8,356,231
Commercial Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0		12,590
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	4,706,500		4,706,500		5,103,676
Financing Receivable, Allowance for Credit Losses	4,706,500		4,706,500		5,116,266
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	879,800		879,800		882,999
Financing Receivable, Allowance for Credit Losses	879,800		879,800		882,999
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0		1,699
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,165,801		1,165,801		994,921
Financing Receivable, Allowance for Credit Losses	1,165,801		1,165,801		996,620
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	1,417,087		1,417,087		1,360,346
Financing Receivable, Allowance for Credit Losses	1,417,087		1,417,087		$ 1,360,346
Residential Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	1,450,176	1,462,636	1,360,346	1,323,183
Provision for Loan Losses	80,766	31,415	241,112	160,823
Charge Offs	114,869	137,935	186,372	137,935
Recoveries	1,014	1,228	2,001	11,273
Balance At End of Period	1,417,087	1,357,344	1,417,087	1,357,344
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	1,122,473	1,115,976	996,620	1,063,153
Provision for Loan Losses	110,023	(155,298)	234,342	(1,501)
Charge Offs	82,087	35,312	123,942	189,193
Recoveries	15,392	23,569	58,781	76,476
Balance At End of Period	1,165,801	948,935	1,165,801	948,935
Commercial Business [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	880,642	865,867	882,999	773,948
Provision for Loan Losses	(842)	713,276	2,690	805,195
Charge Offs	0	150,000	5,889	150,000
Recoveries	0	11,731	0	11,731
Balance At End of Period	879,800	1,440,874	879,800	1,440,874
Commercial Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	4,749,341	4,950,735	5,116,266	5,114,849
Provision for Loan Losses	(89,947)	(589,393)	(378,144)	(964,517)
Charge Offs	62,482	0	198,482	202,618
Recoveries	109,588	2,616	166,860	416,244
Balance At End of Period	$ 4,706,500	$ 4,363,958	$ 4,706,500	$ 4,363,958