New accounting standards Accounting Changes and Error Corrections [Text Block] Premium amortization and discount accretion Accretion (Amortization) of Discounts and Premiums, Investments Accumulated other comprehensive income Additional paid-in capital Consolidated Balance Sheets [Abstract] Bank owned life insurance Bank Owned Life Insurance Computer software Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash and due from banks Interest paid Interest Paid Cash paid to suppliers and employees Payments to Suppliers and Employees Accrued income taxes Accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Decrease (increase) in Increase (decrease) in Common stock, shares authorized (in shares) Common stock, shares issued (in shares) Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Common stock, par value $1 per share authorized 10,000,000 shares, issued and outstanding 2,995,723 shares at March 31, 2012, and 2,996,323 shares at December 31, 2011 Comprehensive income Deferred income taxes Deferred Income Tax Liabilities Total deposits Deposits Interest-bearing Noninterest-bearing Federal funds sold Federal funds sold Federal Funds Sold Fees and commissions received Loss (gain) on disposition of premises, equipment,and computer software Gain (Loss) on Sale of Property Plant Equipment Consolidated Statements of Comprehensive Income [Abstract] Other assets Increase (Decrease) in Other Operating Assets Interest-bearing deposits Interest-bearing Deposits in Banks and Other Financial Institutions Interest and dividends received Total interest expense Interest Expense Interest expense Borrowings Deposits Interest Expense, Deposits Net interest income after provision for loan losses Interest Income (Expense), after Provision for Loan Loss Federal funds sold Interest-bearing deposits State and municipal securities U. S. Treasury and government agency securities Accrued interest receivable Interest Receivable Total Liabilities Liabilities Liabilities Liabilities [Abstract] Total liabilities and stockholders' equity Liabilities and Equity Liabilities and Stockholders' Equity Loans, including fees Investment securities available for sale Investment securities held to maturity (approximate fair value of $53,569,077 and $60,866,303) Net cash from financing activities Net Cash Provided by (Used in) Financing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Net cash from investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from investing activities Net cash from operating activities Net cash from operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Certificates of deposit purchased, net of maturities Loans made, net of principal reductions Payments for (Proceeds from) Loans and Leases Other deposits Securities sold under agreements to repurchase Time deposits Net income Net income Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net interest income Interest Income (Expense), Net Loans, less allowance for loan losses Loans, less allowance for loan losses of $772,866 and $672,261 Deposit insurance premiums Occupancy Other operating Total noninterest revenue Noninterest Income Noninterest revenue Cash surrender value of bank owned life insurance Bank Owned Life Insurance Income Gain (loss) on sale of assets Gain (loss) on sale and revaluation of other real estate owned Miscellaneous Service charges on deposit accounts Total interest and dividend revenue Interest and Dividend Income, Operating Interest and dividend revenue Unrealized losses of available for sale investment securities arising during the period, net of taxes of $9,480 and $136,226 Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Other comprehensive income, net of tax Unrealized losses arising during the period, taxes Employee benefits Other liabilities Other Liabilities Proceeds from maturities of investments available for sale Proceeds from maturities of investments held to maturity Proceeds from sale of real property and equipment Proceeds from sale of other real estate and repossessed assets, net Premises and equipment Provision for loan losses Provision for loan losses Purchase of investments available for sale Payments to Acquire Available-for-sale Securities Purchase of investments held to maturity Payments to Acquire Held-to-maturity Securities Purchase of bank owned life insurance Payments to Acquire Life Insurance Policies Purchases of premises, equipment, and computer software Payments to Acquire Property, Plant, and Equipment Common shares repurchased Payments for Repurchase of Common Stock Retained earnings Salaries Consolidated Statements of Cash Flows [Abstract] Stockholders' equity Income taxes paid Income Taxes Paid Total noninterest expenses Noninterest Expense Noninterest expenses Noninterest Expense [Abstract] Investment securities held to maturity Total assets Assets Equity securities Assets Assets Assets [Abstract] Assets Measured at Fair Value on a Recurring Basis Fair Value Disclosures [Text Block] Increase in cash surrender value of bank owned life insurance Other liabilities Increase (Decrease) in Other Operating Liabilities Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Common stock, par value (in dollars per share) Securities sold under agreements to repurchase Securities Sold under Agreements to Repurchase Total stockholders' equity Stockholders' Equity Attributable to Parent Income taxes Furniture and equipment Other real estate owned Data processing Depreciation and amortization Depreciation, Depletion and Amortization Investment Securities Marketable Securities [Text Block] Adjustments to reconcile net income to net cash provided by operating activities Accrued interest payable Interest Payable Prepaid expenses Other assets Other Assets Loans and Allowance for Loan Losses Financing Receivables [Text Block] Basis of Presentation Business Description and Basis of Presentation [Text Block] Loans and Allowance for Loan Losses [Abstract] Loan Commitments [Abstract] Loan Commitments Commitments Contingencies and Guarantees [Text Block] Earnings per common share - basic and diluted (in dollars per share) Amendment Flag Current Fiscal Year End Date Document Period End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type The total of common stock, additional paid-in-capital, and retained earnings. Otherwise known as total stockholders' equity items before accumulated other comprehensive income. Total Tier 1 Capital Total tier 1 capital Document and Entity Information [Abstract] Income earned from ATM and debit card services. ATM And Debit Card Revenue ATM and debit card ATM and debit card expense. Atm And Debit Card Expense ATM and debit card Net increase (decrease) in [Abstract] Net increase (decrease) in Reconciliation of net income to net cash provided by operating activities [Abstract] Reconciliation of net income to net cash provided by operating activities The gains (losses) included in results of operations resulting from the sale or disposal of other real estate and foreclosed assets. Gain Loss On Sale Of Other Real Estate and Foreclosed Assets Loss (gain) on sale of other real estate and repossessed assets The increase (decrease) during the reporting period in interest payable, which represents the amount owed to customers/depositors. Increase Decrease In Accrued Interst Payable Accrued interest payable Composition of cash and cash equivalents [Abstract] Composition of cash and cash equivalents For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time except for time deposits. Interest-bearing deposits, except for time deposits Basis of Presentation [Abstract] Investment Securities [Abstract] Assets Measured at Fair Value on a Recurring Basis [Abstract] New accounting standards [Abstract]