Loans Receivable, Net (Impaired Financing Receivables) (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, Impaired [Line Items]
Impaired Financing Receivables, Loans Defaulted	$ 611,000	$ 765,000	$ 611,000	$ 765,000
Impaired financing receivable, recorded investment	9,890,138		9,890,138		$ 8,328,034
Impaired Financing Receivable, Unpaid Principal Balance	12,709,548		12,709,548		11,063,835
Impaired Financing Receivable, Average Recorded Investment	10,330,441	10,628,796	10,896,410	13,370,695
Impaired Financing Receivable, Interest Income, Accrual Method	46,522	96,686	184,923	232,303
Residential Real Estate 1 [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	2,260,496		2,260,496		2,181,740
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,720,495		2,720,495		2,263,240
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,613,299	3,319,559	2,939,263	3,469,066
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	2,226	0	25,339	8,282
Impaired financing receivable, related allowance	0		0		0
Impaired financing receivable, recorded investment	2,260,496		2,260,496		2,181,740
Impaired Financing Receivable, Unpaid Principal Balance	2,720,495		2,720,495		2,263,240
Impaired Financing Receivable, Average Recorded Investment	2,613,299	3,319,559	2,939,263	3,469,066
Impaired Financing Receivable, Interest Income, Accrual Method	2,226	0	25,339	8,282
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	224,894		224,894		110,114
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	252,704		252,704		118,414
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	240,005	128,751	294,002	294,714
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0		60,438
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0		60,438
Impaired financing receivable, related allowance	0		0		1,699
Impaired financing receivable, recorded investment	224,894		224,894		170,552
Impaired Financing Receivable, Unpaid Principal Balance	252,704		252,704		178,852
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	61,581	0	62,322
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	772	0	3,470
Impaired Financing Receivable, Average Recorded Investment	240,005	190,332	294,002	357,036
Impaired Financing Receivable, Interest Income, Accrual Method	0	772	0	3,470
Commercial Business [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	145,401		145,401		145,401
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	995,401		995,401		995,401
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	145,401	296,401	145,401	301,881
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0	0	0
Impaired financing receivable, related allowance	0		0		0
Impaired financing receivable, recorded investment	145,401		145,401		145,401
Impaired Financing Receivable, Unpaid Principal Balance	995,401		995,401		995,401
Impaired Financing Receivable, Average Recorded Investment	145,401	296,401	145,401	301,881
Impaired Financing Receivable, Interest Income, Accrual Method	0	0	0	0
Commercial Real Estate 1 [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	7,259,347		7,259,347		5,424,701
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	8,740,948		8,740,948		7,207,688
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	7,331,736	6,180,761	7,517,744	8,589,845
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	44,296	67,380	159,584	192,017
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0		405,640
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0		418,654
Impaired financing receivable, related allowance	0		0		12,590
Impaired financing receivable, recorded investment	7,259,347		7,259,347		5,830,341
Impaired Financing Receivable, Unpaid Principal Balance	8,740,948		8,740,948		7,626,342
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	641,743	0	652,867
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	28,534	0	28,534
Impaired Financing Receivable, Average Recorded Investment	7,331,736	6,822,504	7,517,744	9,242,712
Impaired Financing Receivable, Interest Income, Accrual Method	44,296	$ 95,914	159,584	$ 220,551
Fair Value, Measurements, Nonrecurring | Impaired Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired financing receivable, related allowance	$ 0		$ 0		$ 14,289