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Note 10 - Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Weighted Average Number of Shares [Table Text Block] |
(in millions of shares) |  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2015 |  |  | 2015 |  |  | 2014 |
Unvested share-based awards |  |  | 0.2 |  |  |  | 0.2 |  |  |  | 0.3 |
Detachable warrants to purchase common shares |  |  | - |  |  |  | 0.4 |  |  |  | 1.7 |
Total |  |  | 0.2 |  |  |  | 0.6 |  |  |  | 2.0 |
(in millions of shares) |  | Three Months Ended September 30, |
|  | 2014 |
Unvested share-based awards |  |  | 0.2 |
Detachable warrants to purchase common shares |  |  | 1.3 |
Total |  |  | 1.5 |

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- References No definition available. + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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