| **Note 6- Short-term Borrowings** | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
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| Debt Disclosure [Text Block]      | **Note 6- Short-term Borrowings**

        Short-term borrowings consisted of $15,611 and $13,655 of        securities sold under repurchase agreements at March 31,        2012 and December 31, 2011, respectively.      

        The Company pledges securities available-for-sale as        collateral for repurchase agreements.  The fair value        of securities pledged for short-term borrowings totaled        $19,229 at March 31, 2012 and $19,481 at December 31, 2011.      

        The following information relates to federal funds        purchased, securities sold under repurchase agreements, and        the Bank’s Federal Home Loan Bank of Chicago        (“FHLB”) open line of credit for the following        periods.      

                           

              Three months ended            

              Year ended            

                           

              March 31, 2012            

              December 31, 2011            

                           

                                       ($              in thousands)            

              Weighted average rate            

              0.41%            

              0.46%            

              For the period:            

                           

                           

                Highest month-end balance            

              $            

              16,914              

              $            

              15,817              

                Daily average balance            

              $            

              15,430              

              $            

              12,285              

                Weighted average rate            

              0.23%            

              1.00% |

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| - Definition
The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644
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