Loans Receivable, Net (Schedule of Allowance for Loan Losses) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	$ 11,423,760	$ 10,676,271	$ 12,842,896	$ 9,225,574
Provision for Loan Losses	(665,000)	2,200,000	(2,270,000)	3,600,000
Charge Offs	(45,962)	(65,304)	(110,353)	(203,345)
Recoveries	459,439	34,695	709,694	223,433
Balance At End of Period	11,172,237	12,845,662	11,172,237	12,845,662
Residential Real Estate 1 [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	1,097,992	1,532,804	1,528,948	1,390,594
Provision for Loan Losses	(74,147)	55,487	(529,449)	196,497
Charge Offs	0	0	0	0
Recoveries	8,600	600	32,946	1,800
Balance At End of Period	1,032,445	1,588,891	1,032,445	1,588,891
Consumer [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	1,165,357	1,317,734	1,298,655	1,210,849
Provision for Loan Losses	(16,176)	(223)	(160,458)	168,447
Charge Offs	(45,962)	(45,851)	(103,654)	(148,844)
Recoveries	11,545	13,430	80,221	54,638
Balance At End of Period	1,114,764	1,285,090	1,114,764	1,285,090
Commercial Business [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	1,559,281	639,731	1,165,033	544,764
Provision for Loan Losses	(419,263)	442,730	(19,972)	572,745
Charge Offs	0	0	(6,699)	(35,048)
Recoveries	323	0	1,979	0
Balance At End of Period	1,140,341	1,082,461	1,140,341	1,082,461
Commercial Real Estate 1 [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance At Beginning of Period	7,601,130	7,186,002	8,850,260	6,079,367
Provision for Loan Losses	(155,414)	1,702,006	(1,560,121)	2,662,311
Charge Offs	0	(19,453)	0	(19,453)
Recoveries	438,971	20,665	594,548	166,995
Balance At End of Period	$ 7,884,687	$ 8,889,220	$ 7,884,687	$ 8,889,220