Loans Receivable, Net (Schedule of Allowance for Loan Losses) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	$ 12,842,896	$ 9,225,574
Provision for Loan Losses	(870,000)	700,000
Charge Offs	(44,976)	(82,155)
Recoveries	18,953	28,419
Balance At End of Period	11,946,873	9,871,838
Residential Real Estate 1 [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	1,528,948	1,390,594
Provision for Loan Losses	(300,408)	79,144
Charge Offs	0	0
Recoveries	70	600
Balance At End of Period	1,228,610	1,470,338
Consumer [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	1,298,655	1,210,849
Provision for Loan Losses	(68,519)	141,944
Charge Offs	(38,277)	(47,107)
Recoveries	9,295	22,599
Balance At End of Period	1,201,154	1,328,285
Commercial Business [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	1,165,033	544,764
Provision for Loan Losses	(27,997)	103,002
Charge Offs	(6,699)	(35,048)
Recoveries	948	0
Balance At End of Period	1,131,285	612,718
Commercial Real Estate 1 [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	8,850,260	6,079,367
Provision for Loan Losses	(473,076)	375,910
Charge Offs	0	0
Recoveries	8,640	5,220
Balance At End of Period	$ 8,385,824	$ 6,460,497