Carrying Amounts and Fair Value of Financial Instruments (Fair value measurements, nonrecurring basis) (Details) - USD ($)		Sep. 30, 2017		Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Real Estate Owned (OREO)		$ 1,907,637		$ 2,721,214
Held For Sale		1,270,410		4,243,907
Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		13,068,185		15,278,866
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0		0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		1,270,410		4,243,907
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		11,797,775		11,034,959
Mortgage Loans Held For Sale | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		1,270,410		4,243,907
Mortgage Loans Held For Sale | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0		0
Mortgage Loans Held For Sale | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring				4,243,907
Mortgage Loans Held For Sale | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0		0
Collateral Dependent Impaired Loans (1) | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	[1]			8,313,745
Impaired financing receivable, related allowance		0		14,289
Collateral Dependent Impaired Loans (1) | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0	[2]	0	[1]
Collateral Dependent Impaired Loans (1) | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0	[2]	0	[1]
Collateral Dependent Impaired Loans (1) | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		9,890,138	[2]	8,313,745	[1]
Foreclosed Assets | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		1,907,637		2,721,214
Foreclosed Assets | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0		0
Foreclosed Assets | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		$ 0		0
Foreclosed Assets | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring				$ 2,721,214

[1] IMPAIRED LOANS ARE REPORTED NET OF SPECIFIC RESERVES OF $14,289

[2] December 31, 2016Assets:Level 1 Level 2 Level 3 TotalMortgage Loans Held For Sale$— $4,243,907 $— $4,243,907Collateral Dependent Impaired Loans (1)— — 8,313,745 8,313,745Foreclosed Assets— — 2,721,214 2,721,214Total$— $4,243,907 $11,034,959 $15,278,866