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Note 9 - Basic And Diluted Earnings Per Common Share: (Tables) | 9 Months Ended
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Sep. 30, 2012
Schedule of Earnings Per Share Reconciliation [Table Text Block] |
|  | Three months ended September 30, 2012 |  |  | Three months ended September 30, 2011 |  |  | Nine months ended September 30, 2012 |  |  | Nine months ended September 30, 2011 |
Numerator for basic and diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) for the period |  | $ | 1,635,000 |  |  | $ | (1,178,260) |  |  | $ | 3,994,617 |  |  | $ | 115,345 |
Denominator for basic and diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average number of common shares outstanding |  |  | 45,094,678 |  |  |  | 53,452,205 |  |  |  | 46,362,261 |  |  |  | 53,444,959 |
Effect of outstanding stock options |  |  | 3,316,751 |  |  |  | - |  |  |  | 3,241,609 |  |  |  | 2,303,818 |
Diluted weighted average number of shares outstanding |  |  | 48,411,429 |  |  |  | 53,452,205 |  |  |  | 49,603,870 |  |  |  | 55,748,777 |
Basic earnings (loss) per common share |  | $ | 0.04 |  |  | $ | (0.02 | ) |  | $ | 0.09 |  |  | $ | - |
Diluted earnings (loss) per common share |  | $ | 0.03 |  |  | $ | (0.02 | ) |  | $ | 0.08 |  |  | $ | - |

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- Definition Tabular disclosure of the reconciliation of basic net earnings per share (or unit) to 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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