Carrying Amounts and Fair Value of Financial Instruments (Summary of the carrying value and estimated fair value of financial instruments) (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014
Financial Assets:
Cash And Cash Equivalents	$ 11,352,000	$ 8,382,000
Cash and Cash Equivalents	11,352,028	8,381,951	$ 8,374,489	$ 10,192,702
Certificates of Deposits With Other Banks	3,445,000	3,445,000
Investment And Mortgage-Backed Securities, Carrying Value Disclosure		405,387,000
Investments	408,453,697	405,386,968
Certificates of Deposit with Other Banks	3,445,005	3,445,005
Investment And Mortgage-Backed Securities	409,060,000	405,196,000
Loans Receivable, Net	351,818,570	330,572,729
Loans Receivable, Net	353,269,000	327,460,000
Investment in Federal Home Loan Bank Stock, Carrying Value		2,215,000
FHLB Stock	2,675,000	2,215,000
Federal Home Loan Bank (FHLB) Stock, at Cost	2,674,700	2,214,800
Checking, Savings, And Money Market Accounts, Carrying Value Disclosure		415,975,000
Financial Liabilities:
Checking, Savings, And Money Market Accounts	429,109,000	415,975,000
Certificate Accounts, Carrying Value	221,189,000	236,122,000
Certificate Accounts	220,988,000	235,476,000
FHLB Advances, Carrying Value		34,640,000
Advances From FHLB	46,000,000	34,640,000
Advances From FHLB	46,069,000	35,676,000
Other Borrowed Money	12,598,000	6,412,000
Other Borrowings	12,597,519	6,411,977
Senior Convertible Debentures	6,084,000	6,084,000
Junior Subordinated Debentures	5,155,000	5,155,000
Junior Subordinated Debentures	5,155,000	5,155,000
Senior Convertible Debentures	6,084,000	6,084,000
Fair Value, Inputs, Level 1
Financial Assets:
Cash And Cash Equivalents		8,382,000
Cash and Cash Equivalents	11,352,000
Certificates of Deposits With Other Banks	0	0
Investment And Mortgage-Backed Securities	0	0
Loans Receivable, Net	0	0
FHLB Stock		2,215,000
Federal Home Loan Bank (FHLB) Stock, at Cost	2,675,000
Financial Liabilities:
Checking, Savings, And Money Market Accounts	429,109,000	415,975,000
Certificate Accounts	0	0
Advances From FHLB	0	0
Other Borrowed Money		6,412,000
Other Borrowings	12,598,000
Senior Convertible Debentures	0	0
Junior Subordinated Debentures	0	0
Fair Value, Inputs, Level 2 [Member]
Financial Assets:
Cash And Cash Equivalents	0	0
Certificates of Deposits With Other Banks		3,445,000
Certificates of Deposit with Other Banks	3,445,000
Investment And Mortgage-Backed Securities	409,060,000	405,196,000
Loans Receivable, Net	0	0
FHLB Stock	0	0
Financial Liabilities:
Checking, Savings, And Money Market Accounts	0	0
Certificate Accounts	220,988,000	235,476,000
Advances From FHLB	46,069,000	35,676,000
Other Borrowed Money	0	0
Senior Convertible Debentures		6,084,000
Junior Subordinated Debentures	6,084,000
Junior Subordinated Debentures		5,155,000
Senior Convertible Debentures	5,155,000
Fair Value, Inputs, Level 3
Financial Assets:
Cash And Cash Equivalents	0	0
Certificates of Deposits With Other Banks	0	0
Investment And Mortgage-Backed Securities	0	0
Loans Receivable, Net	353,269,000	327,460,000
FHLB Stock	0	0
Financial Liabilities:
Checking, Savings, And Money Market Accounts	0	0
Certificate Accounts	0	0
Advances From FHLB	0	0
Other Borrowed Money	0	0
Senior Convertible Debentures	0	0
Junior Subordinated Debentures	$ 0	$ 0