Carrying Amounts and Fair Value of Financial Instruments (Summary of the carrying value and estimated fair value of financial instruments) (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Financial Assets:
Cash And Cash Equivalents	$ 8,374,000	$ 10,193,000
Cash And Cash Equivalents	8,374,489	10,192,702	$ 8,210,921	$ 7,629,771
Certificates of Deposits With Other Banks	2,095,000	2,095,000
Investment And Mortgage-Backed Securities, Carrying Value Disclosure		429,701,000
Investments	419,199,633	429,700,540
Certificates Of Deposit With Other Banks	2,095,000	2,095,000
Investment And Mortgage-Backed Securities	419,083,000	429,701,000
Loans Receivable, Net	319,754,734	339,874,495
Loans Receivable, Net	318,531,000	340,368,000
Investment in Federal Home Loan Bank Stock, Carrying Value		3,145,000
FHLB Stock	2,224,000	3,145,000
Federal Home Loan Bank (FHLB) Stock, At Cost	2,224,200	3,144,600
Checking, Savings, And Money Market Accounts, Carrying Value Disclosure		406,864,000
Financial Liabilities:
Checking, Savings, And Money Market Accounts	414,432,000	406,864,000
Certificate Accounts, Carrying Value	237,695,000	253,251,000
Certificate Accounts	237,934,000	253,300,000
FHLB Advances, Carrying Value		52,900,000
Advances From FHLB	33,280,000	52,900,000
Advances From FHLB	34,658,000	55,646,000
Other Borrowed Money	7,725,000	8,523,000
Other Borrowings	7,725,360	8,523,348
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		10,193,000
Cash And Cash Equivalents	8,374,000
Certificates of Deposits With Other Banks	0	0
Investment And Mortgage-Backed Securities	0	0
Loans Receivable, Net	0	0
FHLB Stock		3,145,000
Federal Home Loan Bank (FHLB) Stock, At Cost	2,224,000
Financial Liabilities:
Checking, Savings, And Money Market Accounts	414,432,000	406,864,000
Certificate Accounts	0	0
Advances From FHLB	0	0
Other Borrowed Money		8,523,000
Other Borrowings	7,725,000
Senior Convertible Debentures	0	0
Junior Subordinated Debentures	0	0
Fair Value, Inputs, Level 2
Financial Assets:
Cash And Cash Equivalents	0	0
Certificates of Deposits With Other Banks		2,095,000
Certificates Of Deposit With Other Banks	2,095,000
Investment And Mortgage-Backed Securities	419,083,000	429,701,000
Loans Receivable, Net	0	0
FHLB Stock	0	0
Financial Liabilities:
Checking, Savings, And Money Market Accounts	0	0
Certificate Accounts	237,934,000	253,300,000
Advances From FHLB	34,658,000	55,646,000
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	318,531,000	340,368,000
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