Loans Receivable, Net (Schedule of Allowance for Loan Losses) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	$ 9,171,717	$ 8,221,618
Provision for Loan Losses	100,000	0
Charge Offs	(566,010)	(50,090)
Recoveries	92,848	32,488
Balance At End of Period	8,798,555	8,204,016
Residential Real Estate 1 [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	1,191,443	1,233,843
Provision for Loan Losses	(12,650)	(15,445)
Charge Offs	(34,599)	(11,351)
Recoveries	3,476	207
Balance At End of Period	1,147,670	1,207,254
Consumer [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	1,203,593	1,144,815
Provision for Loan Losses	4,806	(112,933)
Charge Offs	(130,194)	(17,252)
Recoveries	43,000	27,520
Balance At End of Period	1,121,205	1,042,150
Commercial Business [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	923,600	1,011,227
Provision for Loan Losses	55,446	138,940
Charge Offs	(1,132)	(21,487)
Recoveries	14,068	0
Balance At End of Period	991,982	1,128,680
Commercial Real Estate 1 [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	5,853,081	4,831,733
Provision for Loan Losses	52,398	(10,562)
Charge Offs	(400,085)	0
Recoveries	32,304	4,761
Balance At End of Period	$ 5,537,698	$ 4,825,932