| **Note 8 - Fair Value Measurements** | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                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| Fair Value Disclosures [Text Block]  | **Note 8 - Fair Value Measurements**

        Fair value represents the estimated price at which an        orderly transaction to sell an asset or to transfer a        liability would take place between market participants at        the measurement date under current market conditions (i.e.,        an exit price concept).   As there is no active        market for many of the Company’s financial        instruments, estimates are made using discounted cash flow        or other valuation techniques. Inputs into the valuation        methods are subjective in nature, involve uncertainties,        and require significant judgment and therefore cannot be        determined with precision. Accordingly, the derived fair        value estimates presented herein are not necessarily        indicative of the amounts the Company could realize in a        current market exchange. Assets and liabilities are        categorized into three levels based on the markets in which        the assets and liabilities are traded and the reliability        of the assumptions used to determine fair value. In        instances where the determination of the fair value        measurement is based on inputs from different levels of the        fair value hierarchy, the level in the fair value hierarchy        in which the entire fair value measurement falls is based        on the lowest level input that is significant to the fair        value measurement in its entirety. The Company’s        assessment of the significance of a particular input to the        fair value measurement in its entirety requires judgment,        and considers factors specific to the asset or liability.        Below is a brief description of each fair value level.      

Level 1 – Fair value measurement is based on        quoted prices for identical assets or liabilities that the        Company has the ability to access.      

Level 2 – Fair value measurement is based on:        (i) quoted prices for similar assets or liabilities in        active markets; (ii) quoted prices for similar assets or        liabilities in markets that are not active; or (iii)        valuation models and methodologies for which all        significant assumptions are or can be corroborated by        observable market data.      

Level 3 – Fair value measurement is based on        valuation models and methodologies that incorporate        unobservable inputs, which are typically based on an        entity’s own assumptions, as there is little related        market activity.      

        In May 2011, the FASB issued guidance on measuring fair        value to create common fair value measurement and        disclosure requirements in U.S. GAAP and IFRS. The        amendments changes the wording used to describe many of the        requirements for measuring fair value and for disclosing        information about fair value measurements. The amendment        also clarifies the application of existing fair value        measurement and disclosure requirements. As a result,        certain prior period reclassifications and disclosures have        been made to conform to the new requirements. The Company        now classifies impaired loans and OREO as a Level 3 fair        value measurement, compared to a Level 2 fair value        measurement in prior periods, and the prior periods have        been reclassified to reflect this change. These        reclassifications had no impact on the Corporation’s        consolidated results of operations, financial position, or        liquidity.      

        The following is a description of the valuation methodology        used for the Company’s more significant instruments        measured on a recurring basis at fair value, including the        general classification of such instruments pursuant to the        valuation hierarchy.      

Investment securities available-for-sale –        Securities available-for-sale may be classified as Level 1,        Level 2, or Level 3 measurements within the fair value        hierarchy.  The fair value measurement of a Level 1        security is based on the quoted price in an active market.         Level 1 investment securities primarily include U.S.        Treasury securities.  The fair value measurement of a        Level 2 security is obtained from an independent pricing        service and is based on pricing models, quoted prices of        securities with similar characteristics or discounted cash        flows, with consideration given to the nature of the quote        and the relationship of recently evidenced market activity        to the fair value estimate. Examples of these investment        securities include Federal agency securities, obligations        of states and political subdivisions, asset-backed        securities, and mortgage related securities.  In        certain cases where there is limited activity or less        transparency around inputs to the estimated fair value,        securities are classified within Level 3 of the fair value        hierarchy.  Level 3 securities primarily include trust        preferred securities. To validate the fair value estimates,        assumptions, and controls, the Company looks to        transactions for similar instruments and utilizes relevant        market indices. While none of these sources are solely        indicative of fair value, they serve as directional        indicators for the appropriateness of the Company’s        fair value estimates. The Company has determined that the        fair value measures of its investment securities are        classified predominantly within Level 2 of the fair value        hierarchy.        

Loans held for sale – Loans held for sale,        which consist generally of current production of certain        fixed-rate, first-lien residential mortgage loans, are        carried at the lower of cost or estimated fair value.         The estimated fair value of the residential mortgage        loans held for sale was based on current secondary market        prices for similar loans, which is considered to be Level 2        in the fair value hierarchy of valuation techniques.        

        The fair value of loans held for sale is based on        observable current prices in the secondary market in which        loans trade. All loans held for sale are categorized based        on commitments received from secondary sources that the        loans qualify for placement at the time of underwriting and        at an agreed upon price. A gain or loss is recognized at        the time of sale reflecting the present value of the        difference between the contractual interest rate of the        loan and the yield to investors.      

        The table below presents the Company’s investment        securities available-for-sale and loans held for sale        measured at fair value on a recurring basis as of March 31,        2012 and December 31, 2011, aggregated by the level in the        fair value hierarchy within which those measurements fall.      

            Assets Measured at Fair Value on a Recurring Basis          

                       

                       

                       

                       

                       

            Fair Value Measurements Using          

                       

            March 31, 2012          

            Level 1          

            Level 2          

            Level 3          

                       

                       

            ($ in thousands)          

            Investment securities available-for-sale:          

                       

                       

                       

                       

            U.S. Treasury securities and obligations of          

            U.S. government corporations and agencies          

            $          

            16,275          

            $          

            0          

            $          

            16,275          

            $          

            0          

            Mortgage-backed securities          

            67,922          

            0          

            67,922          

            0          

            Obligations of states and political subdivisions          

            22,478          

            0          

            21,951          

            527          

            Corporate debt securities          

            832          

            0          

            7          

            825          

            Equity securities          

            151          

            0          

            51          

            100          

            Loans held for sale          

            612          

            0          

            612          

            0          

                       

                       

            Fair Value Measurements Using          

                       

            December 31, 2011          

            Level 1          

            Level 2          

            Level 3          

            Investment securities available-for-sale:          

                       

                       

                       

                       

            U.S. Treasury securities and obligations of          

            U.S. government corporations and agencies          

            $          

            18,808          

            $          

            0          

            $          

            18,808          

            $          

            0          

            Mortgage-backed securities          

            67,653          

            0          

            67,641          

            12          

            Obligations of states and political subdivisions          

            22,932          

            0          

            22,405          

            527          

            Corporate debt securities          

            832          

            0          

            7          

            825          

            Equity securities          

            151          

            0          

            51          

            100          

            Loans held for sale          

            2,163          

            0          

            2,163          

            0          

        The table below presents a roll forward of the balance        sheet amounts for the three months ended March 31, 2012 and        for the year ended December 31, 2011, for assets measured        on a recurring basis and classified within Level 3 of the        fair value hierarchy.      

              Assets Measured at Fair Value Using Significant              Unobservable Inputs (Level 3)            

              ($ in thousands)            

                           

                           

                           

                           

              Investment Securities Available-for-Sale            

              Balance at December 31, 2010            

                           

              $            

              2,299             

              Unrealized holding losses arising during the period:            

                           

                Included in earnings            

                           

              (55)            

                Included in other comprehensive income            

                           

              7             

              Principal repayments            

                           

              (146)            

              Sales            

                           

              (641)            

              Transfers into Level 3            

                           

              0             

              Balance at December 31, 2011            

                           

              1,464             

                           

                           

                           

              Unrealized holding losses arising during the period:            

                           

                Included in earnings            

                           

              0             

                Included in other comprehensive income            

                           

              1             

              Principal repayments            

                           

              (13)            

              Sales            

                           

              0             

              Transfers in/out Level 3            

                           

              0             

              Balance at March 31, 2012            

                           

              $            

              1,452             

        Level 3 available-for-sale securities include corporate        debt and equity securities.  The market for these        securities was not active as of March 31, 2012.        

        20      

        The following is a description of the valuation        methodologies used for the Company’s more significant        instruments measured on a nonrecurring basis at fair value.      

Impaired loans – The Company considers a loan        impaired when it is probable that the Company will be        unable to collect all amounts due according to the original        contractual terms of the note agreement, including        principal and interest.   Loans considered to be        impaired are measured at fair value on a nonrecurring        basis.  For individually evaluated impaired loans, the        amount of impairment is based upon the fair value of the        underlying collateral.        

        At March 31, 2012 loans with a carrying amount of $25,048        were considered impaired and were written down to their        estimated fair value of $20,571.  As a result, the        Company recognized a specific valuation allowance against        these impaired loans totaling $4,477.  At year end        December 31, 2011 loans with a carrying amount of $17,301        were considered impaired and were written down to their        estimated fair value of $14,001.  As a result, the        Company recognized a specific valuation allowance against        these impaired loans totaling $3,300      

OREO – Real estate acquired through or in lieu        of loan foreclosure is recorded in our consolidated balance        sheets at the lower of cost or fair value.  Fair value        is determined based on third party appraisals and, if less        than the carrying value of the loan, the carrying value of        the loan is adjusted to the fair value.  Appraised        values are adjusted to consider disposition costs and also        to take into consideration the age of the most recent        appraisal.  Given the significance of the adjustments        made to the appraised values necessary to estimate the fair        value of the properties, OREO is considered to be Level 3        in the fair value hierarchy of valuation techniques.         Valuation adjustments to OREO totaled $80 and $6        during the three months ended March 31, 2012 and 2011,        respectively and are recorded in Foreclosure/OREO expense.         At March 31, 2012 and December 31, 2011, OREO totaled        $4,164 and $4,404, respectively.      

        The table below presents the Company’s impaired loans        and OREO measured at fair value on a nonrecurring basis as        of March 31, 2012 and December 31, 2011, aggregated by the        level in the fair value hierarchy within those measurements        fall.      

            Assets Measured at Fair Value on a Nonrecurring Basis          

                       

                       

                       

                       

                       

            Fair Value Measurements Using          

                       

            March 31, 2012          

            Level 1          

            Level 2          

            Level 3          

                       

                       

                       

            ($ in thousands)          

            Impaired loans(1)

            $          

            20,571          

            $          

            0          

            $          

            0          

            $          

            20,571          

            OREO          

            4,164          

            0          

            0          

            4,164          

                       

                       

            Fair Value Measurements Using          

                       

            December 31, 2011          

            Level 1          

            Level 2          

            Level 3          

            Impaired loans(1)

            $          

            14,001          

            $          

            0          

            $          

            0          

            $          

            14,001          

            OREO          

            4,404          

            0          

            0          

            4,404          

            (1) Represents individually evaluated loans, net of the            related allowance for loan losses.          

                       

                       

        For Level 3 assets measured at fair value on a recurring or        non-recurring basis as of March 31, 2012, the Company utilized the        following valuation techniques and significant unobservable        inputs.      

Investment securities available-for-sale- other        securities:  In valuing the investment securities        available-for-sale classified within Level 3, the Company        reviewed the underlying collateral and other relevant data        in developing the assumptions for these investment        securities.      

Impaired Loans:  Fair value measurement of        collateral for collateral-dependent impaired loans        primarily relates to discounting criteria applied to        independent appraisals received with respect to the        collateral.  Discounts applied to the appraisals are        dependent on the appraisal.  As of March 31, 2012,        discounts applied to appraisals ranged from 15% to 30%.      

OREO:  Fair value measurement of OREO primarily        relate to discounting criteria applied to independent        appraisals received with respect to the property.         Discounts applied to the appraisals are dependent on        the appraisal and marketability of the property.  As        of March 31, 2012, discounts applied to appraisals ranged        from 15% to 30%.      

        The estimated fair values of the Company’s financial        instruments on the balance sheet at March 31, 2012 and        December 31, 2011 were as follows:      

                       

                       

                       

            March 31, 2012          

                       

                       

            Carrying          

                       

            Fair Value Measurements Using          

                       

            Amount          

            Fair Value          

            Level 1          

            Level 2          

            Level 3          

                       

                       

                       

            ($ in thousands)          

                       

            Financial assets:          

                       

                       

                       

                       

                       

              Cash and short-term investments          

            $          

            35,609          

            $          

            35,609          

            $          

            35,609          

            $          

            0          

            $          

            0          

              Investment securities available-for-sale          

            107,658          

            107,658          

            0          

            106,206          

            1,452          

              Other investments          

            2,151          

            2,151          

            0          

            2,151          

            0          

              Loans held for sale          

            612          

            612          

            0          

            612          

            0          

              Net loans          

            315,933          

            314,111          

            0          

            0          

            314,111          

              Accrued interest receivable          

            1,790          

            1,790          

            0          

            0          

            1,790          

            Financial liabilities:          

                       

                       

                       

                       

                       

              Deposits          

            $          

            376,888          

            $          

            377,393          

            $          

            0          

            $          

            0          

            $          

            377,393          

              Short-term borrowings          

            15,611          

            15,611          

            0          

            0          

            15,611          

              Long-term borrowings          

            38,061          

            40,425          

            0          

            0          

            40,425          

              Subordinated debentures          

            10,310          

            4,818          

            0          

            0          

            4,818          

              Accrued interest payable          

            833          

            833          

            0          

            0          

            833          

                       

                       

                       

            December 31, 2011          

                       

                       

            Carrying          

                       

            Fair Value Measurements Using          

                       

            Amount          

            Fair Value          

            Level 1          

            Level 2          

            Level 3          

                       

                       

                       

            ($ in thousands)          

                       

            Financial assets:          

                       

                       

                       

                       

                       

              Cash and short-term investments          

            $          

            31,360          

            $          

            31,360          

            $          

            31,360          

            $          

            0          

            $          

            0          

              Investment securities available-for-sale          

            110,376          

            110,376          

            0          

            108,912          

            1,464          

              Other investments          

            2,616          

            2,616          

            0          

            2,616          

            0          

              Loans held for sale          

            2,163          

            2,163          

            0          

            2,163          

            0          

              Net loans          

            320,047          

            317,805          

            0          

            0          

            317,805          

              Accrued interest receivable          

            1,640          

            1,640          

            0          

            0          

            1,640          

            Financial liabilities:          

                       

                       

                       

                       

                       

              Deposits          

            $          

            381,620          

            $          

            383,520          

            $          

            0          

            $          

            0          

            $          

            383,520          

              Short-term borrowings          

            13,655          

            13,655          

            0          

            0          

            13,655          

              Long-term borrowings          

            40,061          

            42,525          

            0          

            0          

            42,525          

              Subordinated debentures          

            10,310          

            4,818          

            0          

            0          

            4,818          

              Accrued interest payable          

            878          

            878          

            0          

            0          

            878          

        The following is a description of the valuation        methodologies used to estimate the fair value of financial        instruments.      

Cash and short-term investments – The carrying        amounts reported in the consolidated balance sheets for        cash and due from banks, interest-bearing deposits in other        financial institutions, and federal funds sold approximate        the fair value of these assets.      

Investment securities available-for-sale – The        fair value of investment securities available-for-sale is        based on quoted prices in active markets, or, if quoted        prices are not available for a specific security, the fair        values are estimated by using pricing models, quoted price        with similar characteristics, or discounted cash flows.      

Other investments – Other investments consists        of FHLB and Bankers’ Bank of Wisconsin stocks.         The carrying amount is a reasonable fair value        estimate of other investments giver their        “restricted” nature.      

Loans held for sale – The estimated fair value        of the residential mortgage loans held for sale was based        on current secondary market prices for similar loans.      

Net loans – Fair values are estimated for        portfolios of loans with similar financial characteristics.        Loans are segregated by type such as commercial,        residential mortgage, and other consumer. The fair value of        loans is calculated by discounting scheduled cash flows        through the estimated maturity using estimated market        discount      

        rates that reflect the credit and interest rate risk        inherent in the loan. The estimate of maturity is based on        the Company’s repayment schedules for each loan        classification. In addition, for impaired loans,        marketability and appraisal values for collateral were        considered in the fair value determination.      

Deposits – The fair value of deposits with no        stated maturity, such as noninterest-bearing demand        deposits, savings, NOW accounts, and money market accounts,        is equal to the amount payable on demand at the reporting        date. The fair value of certificates of deposit is based on        the discounted value of contractual cash flows.  The        discount rate reflects the credit quality and operating        expense factors of the Company.      

Short-term borrowings – The carrying amount        reported in the consolidated balance sheets for short-term        borrowings approximates the liability’s fair value.      

Long-term borrowings – The fair values are        estimated using discounted cash flow analyses based on the        Company’s current incremental borrowing rates for        similar types of borrowing arrangements.      

Subordinated debentures – The fair value is        estimated by discounting future cash flows using the        current interest rates at which similar borrowings would be        made.      

Accrued interest**– The carrying amount        of accrued interest approximates its fair value.      

Off-balance sheet instruments – The fair value        of commitments is estimated using the fees currently        charged to enter into similar agreements, taking into        account the remaining terms of the agreements, the current        interest rates, and the present creditworthiness of the        counter parties. Since this amount is immaterial, no        amounts for fair value are presented.      

Limitations – Fair value estimates are made at        a specific point in time based on relevant market        information and information about the financial instrument.        These estimates do not reflect any premium or discount that        could result from offering for sale at one time the        Company’s entire holdings of particular financial        instruments. Fair value estimates are based on judgments        regarding future expected loss experience, current economic        conditions, risk characteristics of various financial        instruments, and other factors. These estimates are        subjective in nature and involve uncertainties and matters        of significant judgment and therefore cannot be determined        with precision. Changes in assumptions could significantly        affect the estimates. Fair value estimates are based on        existing on- and off-balance sheet financial instruments        without attempting to estimate the value of anticipated        future business and the value of assets and liabilities        that are not considered financial instruments. Significant        assets and liabilities that are not considered financial        assets or liabilities include premises and equipment,        intangibles, other assets and other liabilities. In        addition, the tax ramifications related to the realization        of the unrealized gains or losses can have a significant        effect on fair value estimates and have not been considered        in the estimates.      

        Because of the wide range of valuation techniques and the        numerous assumptions which must be made, it may be        difficult to compare our Company’s determination of        fair value to that of other financial institutions. It is        important that the many assumptions discussed above be        considered when using the estimated fair value disclosures        and to realize that because of the uncertainties, the        aggregate fair value should in no way be construed as        representative of the underlying value of the Company.          |

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    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| - Definition
The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.
+ References
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