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Note 10 - Other Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Debt [Table Text Block] |
(Dollar amounts in thousands) |  |  | Maturity range |  |  | Weighted- average |  |  | Stated interest rate range |  |  |  |  |  |  |
Description |  |  | from |  |  | to |  |  | interest rate |  |  | from |  |  | to |  |  | 2012 |  |  | 2011 |
Fixed rate amortizing |  |  | 01/23/13 |  |  | 09/04/28 |  |  |  | 3.99 | % |  |  | 2.70 | % |  |  | 4.48 | % |  | $ | 4,722 |  |  | $ | 6,576 |
Convertible |  |  | 10/09/12 |  |  | 10/09/12 |  |  |  | 4.14 |  |  |  | 4.14 |  |  |  | 4.14 |  |  |  | - |  |  |  | 2,007 |
Junior subordinated debt |  |  | 12/21/37 |  |  | 12/21/37 |  |  |  | 2.50 |  |  |  | 1.98 |  |  |  | 6.58 |  |  |  | 8,248 |  |  |  | 8,248 |
Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 12,970 |  |  | $ | 16,831 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
(Dollar amounts in thousands) |  |  |  |  |  |
Year Ending December 31, |  | Amount |  |  | Average Rate |
2013 |  | $ | 1,362 |  |  |  | 3.95 | %
2014 |  |  | 984 |  |  |  | 3.99 |
2015 |  |  | 685 |  |  |  | 4.01 |
2016 |  |  | 502 |  |  |  | 4.00 |
2017 |  |  | 373 |  |  |  | 4.00 |
Beyond 2017 |  |  | 9,065 |  |  |  | 2.17 |
Total |  | $ | 12,970 |  |  |  | 2.63 | %

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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