Loans Receivable, Net (Schedule of loans evaluated individually for impairment and collectively evaluated for impairment in loans receivable) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	$ 0	$ 0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	10,676,271	9,225,574
Financing Receivable, Allowance for Credit Loss	10,676,271	9,225,574
Financing Receivable, Individually Evaluated for Impairment	3,550,925	3,229,883
Financing Receivable, Collectively Evaluated for Impairment	548,200,427	465,290,528
Financing Receivable, before Allowance for Credit Loss	$ 551,751,352	468,520,411
Loans and Leases Receivable, Valuation Period for New Appraisal	24 months
Residential Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	$ 0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,532,804	1,390,594
Financing Receivable, Allowance for Credit Loss	1,532,804	1,390,594
Financing Receivable, Individually Evaluated for Impairment	1,816,520	1,086,433
Financing Receivable, Collectively Evaluated for Impairment	83,047,861	85,317,871
Financing Receivable, before Allowance for Credit Loss	84,864,381	86,404,304
Consumer [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,317,734	1,210,849
Financing Receivable, Allowance for Credit Loss	1,317,734	1,210,849
Financing Receivable, Individually Evaluated for Impairment	176,522	184,402
Financing Receivable, Collectively Evaluated for Impairment	58,058,784	56,146,611
Financing Receivable, before Allowance for Credit Loss	58,235,306	56,331,013
Commercial Business [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	639,731	544,764
Financing Receivable, Allowance for Credit Loss	639,731	544,764
Financing Receivable, Individually Evaluated for Impairment	55,446	64,406
Financing Receivable, Collectively Evaluated for Impairment	23,948,341	22,169,783
Financing Receivable, before Allowance for Credit Loss	24,003,787	22,234,189
Commercial Real Estate 1 [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	7,186,002	6,079,367
Financing Receivable, Allowance for Credit Loss	7,186,002	6,079,367
Financing Receivable, Individually Evaluated for Impairment	1,502,437	1,894,642
Financing Receivable, Collectively Evaluated for Impairment	310,473,013	301,656,263
Financing Receivable, before Allowance for Credit Loss	$ 311,975,450	$ 303,550,905