Carrying Amounts and Fair Value of Financial Instruments (Fair value measurements, nonrecurring basis) (Details) - USD ($)		Mar. 31, 2018		Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Real Estate Owned (OREO)		$ 1,073,856		$ 1,115,671
Held For Sale		2,407,478		3,051,950
Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		12,168,971		12,609,927
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		2,407,478		3,051,950
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		9,761,493		9,557,977
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		2,407,478		3,051,950
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				3,051,950
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]			8,442,306
Impaired financing receivable, related allowance		102,756		0
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		8,687,637	[2]	8,442,306	[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		1,073,856		1,115,671
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				$ 1,115,671

[1] IMPAIRED LOANS ARE REPORTED NET OF SPECIFIC RESERVES OF $102,756 AT MARCH 31, 2018. THERE WERE no

[2] December 31, 2017Assets:Level 1 Level 2 Level 3 TotalMortgage Loans Held For Sale$— $3,051,950 $— $3,051,950Collateral Dependent Impaired Loans (1)— — 8,442,306 8,442,306Foreclosed Assets— — 1,115,671 1,115,671Total$— $3,051,950 $9,557,977 $12,609,927