Loans Receivable, Net (Schedule of non-accrual loans by category) (Details) - USD ($)		6 Months Ended
		Jun. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status		$ 7,706,576	$ 5,514,967
FInancing Receivable, Recorded Investment, Nonaccrual Status, Percentage	[1]	2.10%	1.50%
Financing Receivable Recorded Investment in Non-accrual Status, Increase (Decrease)		$ 2,191,609
Financing Receivable Recorded Investment in Non-accrual Status, Percent, Increase (Decrease)		39.70%
Financing Receivable, Recorded Investment, Past Due		$ 10,463,539	$ 9,495,434
Residential Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status			$ 2,488,158
FInancing Receivable, Recorded Investment, Nonaccrual Status, Percentage	[1]	0.70%	0.70%
Financing Receivable Recorded Investment in Non-accrual Status, Increase (Decrease)		$ 155,426
Financing Receivable Recorded Investment in Non-accrual Status, Percent, Increase (Decrease)		6.20%
Financing Receivable, Recorded Investment, Past Due		$ 3,615,560	$ 3,142,016
Commercial Business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status			$ 145,401
FInancing Receivable, Recorded Investment, Nonaccrual Status, Percentage	[1]	0.10%	0.00%
Financing Receivable Recorded Investment in Non-accrual Status, Increase (Decrease)		$ 35,304
Financing Receivable Recorded Investment in Non-accrual Status, Percent, Increase (Decrease)		24.30%
Financing Receivable, Recorded Investment, Past Due		$ 410,866	$ 751,149
Commercial Real Estate 1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status			$ 2,639,837
FInancing Receivable, Recorded Investment, Nonaccrual Status, Percentage	[1]	1.20%	0.70%
Financing Receivable Recorded Investment in Non-accrual Status, Increase (Decrease)		$ 1,802,173
Financing Receivable Recorded Investment in Non-accrual Status, Percent, Increase (Decrease)		68.30%
Financing Receivable, Recorded Investment, Past Due		$ 5,371,598	$ 4,615,880
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status			$ 241,571
FInancing Receivable, Recorded Investment, Nonaccrual Status, Percentage	[1]	0.10%	0.10%
Financing Receivable Recorded Investment in Non-accrual Status, Increase (Decrease)		$ 198,706
Financing Receivable Recorded Investment in Non-accrual Status, Percent, Increase (Decrease)		82.30%
Financing Receivable, Recorded Investment, Past Due		$ 1,065,515	$ 986,389

[1] PERCENT OF TOTAL LOANS HELD FOR INVESTMENT, NET OF DEFERRED FEES AND LOANS IN PROCESS.