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Note 9 - Short-Term Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Short-term Debt [Table Text Block] |
(Dollar amounts in thousands) |  | 2012 |  |  | 2011 |  |  | 2010 |
Balance at year-end |  | $ | 6,538 |  |  | $ | 7,392 |  |  | $ | 7,632 |
Average balance outstanding |  |  | 7,005 |  |  |  | 7,276 |  |  |  | 7,320 |
Maximum month-end balance |  |  | 7,458 |  |  |  | 7,552 |  |  |  | 8,178 |
Weighted-average rate at year-end |  |  | 2.97 | % |  |  | 3.14 | % |  |  | 3.10 | %
Weighted-average rate during the year |  |  | 3.15 | % |  |  | 3.23 | % |  |  | 3.40 | %

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- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 Reference 2: 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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