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Note 17 - Net Earnings (Loss) Per Common Share | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] |
17. | Net earnings (loss) per common share
Earnings per share calculations cannot be anti-dilutive, therefore diluted shares are not used in the denominator when the numerator is in a loss position. The following table reconciles the denominator used to calculate earnings per common share:
|  | 2014 |  |  | 2013 |  |  | 2012 |
Shares issued and outstanding at beginning of period |  |  | 35,801,732 |  |  |  | 30,070,104 |  |  |  | 29,941,254 |
Weighted average number of shares: |  |  |  |  |  |  |  |  |  |  |  |
Issued during the period |  |  | 335,253 |  |  |  | 2,968,064 |  |  |  | 250,868 |
Repurchased during the period |  |  | (220,333 | ) |  |  | (110,455 | ) |  |  | (165,703 | )
Weighted average number of shares used in computing basic earnings per share |  |  | 35,916,652 |  |  |  | 32,927,713 |  |  |  | 30,026,419 |
Assumed exercise of stock options, net of shares assumed acquired under the Treasury Stock Method |  |  | 392,326 |  |  |  | 334,586 |  |  |  | 349,531 |
Number of shares used in computing diluted earnings per share |  |  | 36,308,978 |  |  |  | 33,262,299 |  |  |  | 30,375,950 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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