Loans Receivable, Net (Schedule of Allowance for Loan Losses) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	$ 8,221,618	$ 8,356,231
Provision for Loan Losses	0	0
Charge Offs	(50,090)	(36,018)
Recoveries	32,488	57,686
Balance At End of Period	8,204,016	8,377,899
Residential Real Estate 1 [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	1,233,843	1,360,346
Provision for Loan Losses	(15,445)	110,338
Charge Offs	(11,351)	(6,517)
Recoveries	207	750
Balance At End of Period	1,207,254	1,464,917
Consumer [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	1,144,815	996,620
Provision for Loan Losses	(112,933)	100,554
Charge Offs	(17,252)	(23,611)
Recoveries	27,520	27,141
Balance At End of Period	1,042,150	1,100,704
Commercial Business [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	1,011,227	882,999
Provision for Loan Losses	138,940	87,379
Charge Offs	(21,487)	(5,890)
Recoveries	0	0
Balance At End of Period	1,128,680	964,488
Commercial Real Estate 1 [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning of Period	4,831,733	5,116,266
Provision for Loan Losses	(10,562)	(298,271)
Charge Offs	0	0
Recoveries	4,761	29,795
Balance At End of Period	$ 4,825,932	$ 4,847,790