Loans Receivable, Net (Impaired Financing Receivables) (Details) - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivables, Loans Defaulted	$ 363,000	$ 570,000
Impaired financing receivable, recorded investment	5,497,920		$ 9,364,125
Impaired Financing Receivable, Unpaid Principal Balance	7,593,607		11,299,728
Impaired Financing Receivable, Average Recorded Investment	6,699,470	8,913,677
Impaired Financing Receivable, Interest Income, Accrual Method	14,247	37,547
Residential Real Estate 1 [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,345,077		1,700,861
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,345,077		1,700,861
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,361,079	1,757,575
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Impaired financing receivable, related allowance	0		0
Impaired financing receivable, recorded investment	1,345,077		1,700,861
Impaired Financing Receivable, Unpaid Principal Balance	1,345,077		1,700,861
Impaired Financing Receivable, Average Recorded Investment	1,361,079	1,757,575
Impaired Financing Receivable, Interest Income, Accrual Method	0	0
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	138,435		986,380
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	146,735		994,680
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	984,528	180,610
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	72,314		73,662
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	72,314		73,662
Impaired financing receivable, related allowance	72,314		73,662
Impaired financing receivable, recorded investment	210,749		1,060,042
Impaired Financing Receivable, Unpaid Principal Balance	219,049		1,068,342
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	72,651	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, Average Recorded Investment	1,057,179	180,610
Impaired Financing Receivable, Interest Income, Accrual Method	0	0
Commercial Business [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	77,206		77,206
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	972,206		972,206
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	77,206	96,401
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Impaired financing receivable, related allowance	0		0
Impaired financing receivable, recorded investment	77,206		77,206
Impaired Financing Receivable, Unpaid Principal Balance	972,206		972,206
Impaired Financing Receivable, Average Recorded Investment	77,206	96,401
Impaired Financing Receivable, Interest Income, Accrual Method	0	0
Commercial Real Estate 1 [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	2,867,898		5,084,458
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	3,660,285		6,116,761
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,884,732	6,625,186
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	14,247	37,207
Impaired Financing Receivable, with Related Allowance, Recorded Investment	996,990		1,441,558
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,396,990		1,441,558
Impaired financing receivable, related allowance	565,000		665,000
Impaired financing receivable, recorded investment	3,864,888		6,526,016
Impaired Financing Receivable, Unpaid Principal Balance	5,057,275		7,558,319
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,319,274	253,905
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	340
Impaired Financing Receivable, Average Recorded Investment	4,204,006	6,879,091
Impaired Financing Receivable, Interest Income, Accrual Method	14,247	$ 37,547
Fair Value, Measurements, Nonrecurring \| Impaired Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired financing receivable, related allowance	$ 637,314		$ 738,662

Impaired Financing Receivables, Loans Defaulted

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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