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Note 5 - Capital stock (Details) - Common Shares Issued and Outstanding (USD $)
In Thousands, except Share data, unless otherwise specified |
6 Months Ended |
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Jun. 30, 2013
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| Common shares: | |
| Balance at beginning of the six month period | 16,344,193 |
| Balance at beginning of the six month period (in Dollars) | $ 389 |
| Balance at beginning and end of the three month period, shares | 16,360,860 |
| Balance at beginning and end of the three month period, value (in Dollars) | $ 389 |
| Shares issued pursuant to: | |
| Exercise of stock options | 16,667 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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