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Note 4 - Earnings Per Share | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | 4 – Earnings Per Share The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share amounts):
|  | Three Months Ended March 31, |
|  | 2015 |  |  | 2014 |
Numerator: |  |  |  |  |  |  |  |
Numerator for basic and diluted earnings per share – |  |  |  |  |  |  |  |
Net income available to common shareholders |  | $ | 16,781 |  |  | $ | 12,014 |
Denominator– |  |  |  |  |  |  |  |
Denominator for basic earnings per share – weighted average shares outstanding |  |  | 40,066 |  |  |  | 39,332 |
Effect of dilutive securities– |  |  |  |  |  |  |  |
Employee and director stock options and restricted share awards |  |  | 919 |  |  |  | 1,179 |
Denominator for diluted earnings per share – adjusted weighted average shares outstanding and assumed conversions |  |  | 40,985 |  |  |  | 40,511 |
Basic earnings per common share |  | $ | .42 |  |  | $ | .31 |
Diluted earnings per common share and common share equivalents |  | $ | .41 |  |  | $ | .30 |
Options to purchase shares of common stock that were outstanding for the three months ended March 31, 2015 and 2014 that were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive are as follows (in thousands):
|  | March 31, 2015 |  |  | March 31, 2014 |
Weighted average anti-dilutive options |  |  | 857 |  |  |  | 431 |

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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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