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		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	$ 636,301		$ 636,301		$ 738,662
Balance At Beginning of Period	8,798,555	$ 8,204,016	9,171,717	$ 8,221,618
Provision for Loan Losses	0	0	100,000	0
Charge Offs	163,365	97,274	729,375	147,364
Recoveries	118,349	504,434	211,197	536,922
Balance At End of Period	8,753,539	8,611,176	8,753,539	8,611,176
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	8,117,238		8,117,238		8,433,055
Financing Receivable, Allowance for Credit Losses	8,753,539		8,753,539		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	5,073,557		5,073,557		5,188,081
Financing Receivable, Allowance for Credit Losses	5,638,557		5,638,557		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	896,843		896,843		923,600
Financing Receivable, Allowance for Credit Losses	896,843		896,843		923,600
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	71,301		71,301		73,662
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,021,026		1,021,026		1,129,931
Financing Receivable, Allowance for Credit Losses	1,092,327		1,092,327		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	1,125,812		1,125,812		1,191,443
Financing Receivable, Allowance for Credit Losses	1,125,812		1,125,812		$ 1,191,443
Residential Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	1,147,670	1,207,254	1,191,443	1,233,843
Provision for Loan Losses	(23,308)	104,394	(35,958)	88,949
Charge Offs	0	2,579	34,599	13,930
Recoveries	1,450	0	4,926	207
Balance At End of Period	1,125,812	1,309,069	1,125,812	1,309,069
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	1,121,205	1,042,150	1,203,593	1,144,815
Provision for Loan Losses	69,702	185,314	74,508	72,381
Charge Offs	135,286	73,774	265,480	91,026
Recoveries	36,706	60,084	79,706	87,604
Balance At End of Period	1,092,327	1,213,774	1,092,327	1,213,774
Commercial Business [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	991,982	1,128,680	923,600	1,011,227
Provision for Loan Losses	(95,635)	(40,216)	(40,189)	98,724
Charge Offs	0	11,031	1,132	32,518
Recoveries	496	0	14,564	0
Balance At End of Period	896,843	1,077,433	896,843	1,077,433
Commercial Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance At Beginning of Period	5,537,698	4,825,932	5,853,081	4,831,733
Provision for Loan Losses	49,241	(249,492)	101,639	(260,054)
Charge Offs	28,079	9,890	428,164	9,890
Recoveries	79,697	444,350	112,001	449,111
Balance At End of Period	$ 5,638,557	$ 5,010,900	$ 5,638,557	$ 5,010,900