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Note 6 - Short-term Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2015
Notes Tables |
Schedule of Line of Credit Facilities [Table Text Block] |
Year ended December 31, |  | 2015 |  |  | 2014 |
Maximum outstanding (month-end) |  | $ | -- |  |  | $ | -- |
Outstanding at year-end |  |  | -- |  |  |  | -- |
Interest rate at year-end |  |  | 6.0 | % |  |  | 6.0 | %
Average interest rate |  |  | 6.0 | % |  |  | 6.0 | %

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + 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(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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