Loans Receivable, Net (Impaired Financing Receivables) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivables, Loans Defaulted		$ 607,000		$ 607,000
Impaired financing receivable, recorded investment	$ 4,801,445		$ 4,801,445		$ 9,364,125
Impaired Financing Receivable, Unpaid Principal Balance	6,397,702		6,397,702		11,299,728
Impaired Financing Receivable, Average Recorded Investment	4,917,791	12,765,314	6,525,006	12,938,189
Impaired Financing Receivable, Interest Income, Accrual Method	14,085	59,155	28,332	121,142
Residential Real Estate 1 [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,142,165		1,142,165		1,700,861
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,142,165		1,142,165		1,700,861
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,157,380	1,963,932	1,347,984	2,089,364
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0	0	1,078
Impaired financing receivable, related allowance	0		0		0
Impaired financing receivable, recorded investment	1,142,165		1,142,165		1,700,861
Impaired Financing Receivable, Unpaid Principal Balance	1,142,165		1,142,165		1,700,861
Impaired Financing Receivable, Average Recorded Investment	1,157,380	1,963,932	1,347,984	2,089,364
Impaired Financing Receivable, Interest Income, Accrual Method	0	0	0	1,078
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	134,817		134,817		986,380
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	143,117		143,117		994,680
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	137,233	177,644	982,404	179,177
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	71,301		71,301		73,662
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	71,301		71,301		73,662
Impaired financing receivable, related allowance	71,301		71,301		73,662
Impaired financing receivable, recorded investment	206,118		206,118		1,060,042
Impaired Financing Receivable, Unpaid Principal Balance	214,418		214,418		1,068,342
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	71,554	0	72,072	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	0	0	0
Impaired Financing Receivable, Average Recorded Investment	208,787	177,644	1,054,476	179,177
Impaired Financing Receivable, Interest Income, Accrual Method	0	0	0	0
Commercial Business [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	72,406		72,406		77,206
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	967,406		967,406		972,206
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	73,606	85,804	75,149	91,260
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	72,406		72,406		77,206
Impaired Financing Receivable, Unpaid Principal Balance	967,406		967,406		972,206
Impaired Financing Receivable, Average Recorded Investment	73,606	85,804	75,149	91,260
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	2,383,766		2,383,766		5,084,458
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,676,723		2,676,723		6,116,761
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,481,028	10,285,113	2,866,245	10,325,567
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	14,085	56,646	28,332	117,215
Impaired Financing Receivable, with Related Allowance, Recorded Investment	996,990		996,990		1,441,558
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,396,990		1,396,990		1,441,558
Impaired financing receivable, related allowance	565,000		565,000		665,000
Impaired financing receivable, recorded investment	3,380,756		3,380,756		6,526,016
Impaired Financing Receivable, Unpaid Principal Balance	4,073,713		4,073,713		7,558,319
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	996,990	252,821	1,181,152	252,821
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	2,509	0	2,849
Impaired Financing Receivable, Average Recorded Investment	3,478,018	10,537,934	4,047,397	10,578,388
Impaired Financing Receivable, Interest Income, Accrual Method	14,085	$ 59,155	28,332	$ 120,064
Fair Value, Measurements, Nonrecurring | Impaired Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired financing receivable, related allowance	$ 636,301		$ 636,301		$ 738,662