Loans Receivable, Net (Schedule of Allowance for Loan Losses) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Allowance for Doubtful Accounts Receivable [Roll Forward]
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
Residential Real Estate 1 [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
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]
Allowance for Doubtful Accounts Receivable [Roll Forward]
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]
Allowance for Doubtful Accounts Receivable [Roll Forward]
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]
Allowance for Doubtful Accounts Receivable [Roll Forward]
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