Loans Receivable, Net (Schedule of Allowance for Loan Losses) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	$ 8,204,016	$ 8,377,899	$ 8,221,618	$ 8,356,231
Provision for Loan Losses	0	0	0	0
Charge Offs	(97,274)	(219,229)	(147,364)	(255,247)
Recoveries	504,434	43,962	536,922	101,648
Balance At End of Period	8,611,176	8,202,632	8,611,176	8,202,632
Residential Real Estate 1 [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	1,207,254	1,464,917	1,233,843	1,360,346
Provision for Loan Losses	104,394	50,008	88,949	160,346
Charge Offs	(2,579)	(64,986)	(13,930)	(71,503)
Recoveries	0	237	207	987
Balance At End of Period	1,309,069	1,450,176	1,309,069	1,450,176
Consumer [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	1,042,150	1,100,704	1,144,815	996,620
Provision for Loan Losses	185,314	23,765	72,381	124,319
Charge Offs	(73,774)	(18,244)	(91,026)	(41,855)
Recoveries	60,084	16,248	87,604	43,389
Balance At End of Period	1,213,774	1,122,473	1,213,774	1,122,473
Commercial Business [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	1,128,680	964,488	1,011,227	882,999
Provision for Loan Losses	(40,216)	(83,847)	98,724	3,532
Charge Offs	(11,031)	1	(32,518)	(5,889)
Recoveries	0	0	0	0
Balance At End of Period	1,077,433	880,642	1,077,433	880,642
Commercial Real Estate 1 [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	4,825,932	4,847,790	4,831,733	5,116,266
Provision for Loan Losses	(249,492)	10,074	(260,054)	(288,197)
Charge Offs	(9,890)	(136,000)	(9,890)	(136,000)
Recoveries	444,350	27,477	449,111	57,272
Balance At End of Period	$ 5,010,900	$ 4,749,341	$ 5,010,900	$ 4,749,341