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Note 17 - Net (Loss) Earnings Per Common Share (Tables) (Denominator [Member]) | 12 Months Ended
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Dec. 31, 2013
Denominator [Member] |
Note 17 - Net (Loss) Earnings Per Common Share (Tables) [Line Items] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Shares issued and outstanding at beginning of period |  |  | 30,070,104 |  |  |  | 29,941,254 |  |  |  | 30,318,274 |
Weighted average number of shares: |  |  |  |  |  |  |  |  |  |  |  |
Issued during the period |  |  | 2,968,064 |  |  |  | 250,868 |  |  |  | 218,418 |
Repurchased during the period |  |  | (110,455 | ) |  |  | (165,703 | ) |  |  | (443,081 | )
Weighted average number of shares used in computing basic earnings per share |  |  | 32,927,713 |  |  |  | 30,026,419 |  |  |  | 30,093,611 |
Assumed exercise of stock options, net of shares assumed acquired under the Treasury Stock Method |  |  | 334,586 |  |  |  | 349,531 |  |  |  | 457,404 |
Number of shares used in computing diluted earnings per share |  |  | 33,262,299 |  |  |  | 30,375,950 |  |  |  | 30,551,015 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + 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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