Shareholders' Equity and Capital Stock - options activity (Details) - 6 months ended Jun. 30, 2015 - $ / shares |
Total |
|---|---|
| Options Rollforward | |
| Outstanding, Beginning Balance | 8,468,614 |
| Granted, Options | 200,000 |
| Exercised, Options | (604,319) |
| Forfeited, Options | (94,361) |
| Expired, Options | (10,810) |
| Outstanding Ending Balance, Options | 7,959,124 |
| Outstanding, Beginning Balance, Weighted-average exercise price | $ 1.12 |
| Granted, Weighted-average exercise price | 0.92 |
| Exercised, Weighted-average exercise price | 0.68 |
| Forfeited, Weighted-average exercise price | 0.91 |
| Expired, Weighted-average exercise price | 0.66 |
| Outstanding Ending Balance, Weighted-average exercise price | $ 1.08 |
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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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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