XML 122 R84.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Range of Exercise Prices for Options Outstanding (Detail) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2018 CAD ($) shares Year | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2018 USD ($) shares Year | Dec. 31, 2017 CAD ($) shares Year | Dec. 31, 2017 USD ($) shares Year | Dec. 31, 2016 CAD ($) shares | Dec. 31, 2016 USD ($) shares
Canadian Share Options [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares | 4,733,156 |  |  | 4,733,156 | 4,900,360 | 4,900,360 | 6,188,672 | 6,188,672
Total options outstanding, Weighted average exercise price | $ 7.78 |  |  |  | $ 8.50 |  | $ 8.70 |
Options exercisable, Number | shares | 3,786,473 |  |  | 3,786,473 | 3,734,019 | 3,734,019 | 4,369,155 | 4,369,155
Canadian Share Options [Member] | 4.46 - 7.99 Range of Exercise Prices [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares | 1,105,400 |  |  | 1,105,400 |  |  |  |
Total options outstanding, Weighted average exercise price | $ 4.41 |  |  |  |  |  |  |
Total options outstanding, Weighted average remaining contractual life (years) | Year | 5.04 |  |  | 5.04 |  |  |  |
Options exercisable, Number | shares | 410,122 |  |  | 410,122 |  |  |  |
Options exercisable, Weighted average exercise price | $ 4.46 |  |  |  |  |  |  |
Canadian Share Options [Member] | 4.46 - 7.99 Range of Exercise Prices [Member] | Top of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices | 6.99 |  |  |  |  |  |  |
Canadian Share Options [Member] | 4.46 - 7.99 Range of Exercise Prices [Member] | Bottom Of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices | $ 4.34 |  |  |  |  |  |  |
Canadian Share Options [Member] | 8.00 - 9.99 Range of Exercise Prices [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares | 1,539,001 |  |  | 1,539,001 |  |  |  |
Total options outstanding, Weighted average exercise price | $ 7.32 |  |  |  |  |  |  |
Total options outstanding, Weighted average remaining contractual life (years) | Year | 3.58 |  |  | 3.58 |  |  |  |
Options exercisable, Number | shares | 1,287,596 |  |  | 1,287,596 |  |  |  |
Options exercisable, Weighted average exercise price | $ 7.33 |  |  |  |  |  |  |
Canadian Share Options [Member] | 8.00 - 9.99 Range of Exercise Prices [Member] | Top of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices | 8.99 |  |  |  |  |  |  |
Canadian Share Options [Member] | 8.00 - 9.99 Range of Exercise Prices [Member] | Bottom Of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices | $ 7.00 |  |  |  |  |  |  |
Canadian Share Options [Member] | 10.00 - 14.50 Range of Exercise Prices [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares | 2,088,755 |  |  | 2,088,755 |  |  |  |
Total options outstanding, Weighted average exercise price | $ 9.90 |  |  |  |  |  |  |
Total options outstanding, Weighted average remaining contractual life (years) | Year | 1.12 |  |  | 1.12 |  |  |  |
Options exercisable, Number | shares | 2,088,755 |  |  | 2,088,755 |  |  |  |
Options exercisable, Weighted average exercise price | $ 9.90 |  |  |  |  |  |  |
Canadian Share Options [Member] | 10.00 - 14.50 Range of Exercise Prices [Member] | Top of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices | 14.31 |  |  |  |  |  |  |
Canadian Share Options [Member] | 10.00 - 14.50 Range of Exercise Prices [Member] | Bottom Of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices | $ 9.00 |  |  |  |  |  |  |
Canadian Share Options [Member] | 4.46 - 14.50 Range of Exercise Prices [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares | 4,733,156 |  |  | 4,733,156 |  |  |  |
Total options outstanding, Weighted average exercise price | $ 7.78 |  |  |  |  |  |  |
Total options outstanding, Weighted average remaining contractual life (years) | Year | 2.83 |  |  | 2.83 |  |  |  |
Options exercisable, Number | shares | 3,786,473 |  |  | 3,786,473 |  |  |  |
Options exercisable, Weighted average exercise price | $ 8.43 |  |  |  |  |  |  |
Canadian Share Options [Member] | 4.46 - 14.50 Range of Exercise Prices [Member] | Top of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices | 14.31 |  |  |  |  |  |  |
Canadian Share Options [Member] | 4.46 - 14.50 Range of Exercise Prices [Member] | Bottom Of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices | $ 4.34 |  |  |  |  |  |  |
U.S. Share Options [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares | 6,065,850 |  |  | 6,065,850 | 5,558,621 | 5,558,621 | 5,337,070 | 5,337,070
Total options outstanding, Weighted average exercise price |  |  |  | $ 5.17 |  | $ 6.16 |  | $ 6.69
Options exercisable, Number | shares | 3,224,078 |  |  | 3,224,078 | 2,891,808 | 2,891,808 | 2,626,326 | 2,626,326
U.S. Share Options [Member] | Top of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  | $ 3.21 |  |  |  |  |  |
U.S. Share Options [Member] | Bottom Of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  | $ 3.21 |  |  |  |  |  |
U.S. Share Options [Member] | 3.21 - 4.99 Range of Exercise Prices [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares |  |  |  |  | 3,046,950 | 3,046,950 |  |
Total options outstanding, Weighted average exercise price |  |  |  |  |  | $ 3.33 |  |
Total options outstanding, Weighted average remaining contractual life (years) | Year |  |  |  |  | 5.18 | 5.18 |  |
Options exercisable, Number | shares |  |  |  |  | 995,888 | 995,888 |  |
Options exercisable, Weighted average exercise price |  |  |  |  |  | $ 3.21 |  |
U.S. Share Options [Member] | 3.21 - 4.99 Range of Exercise Prices [Member] | Top of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  |  | $ 3.99 |  |  |  |  |
U.S. Share Options [Member] | 3.21 - 4.99 Range of Exercise Prices [Member] | Bottom Of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  |  | 3.21 |  |  |  |  |
U.S. Share Options [Member] | 5.00 - 7.99 Range of Exercise Prices [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares |  |  |  |  | 1,924,500 | 1,924,500 |  |
Total options outstanding, Weighted average exercise price |  |  |  |  |  | $ 5.61 |  |
Total options outstanding, Weighted average remaining contractual life (years) | Year |  |  |  |  | 4.37 | 4.37 |  |
Options exercisable, Number | shares |  |  |  |  | 1,133,790 | 1,133,790 |  |
Options exercisable, Weighted average exercise price |  |  |  |  |  | $ 5.66 |  |
U.S. Share Options [Member] | 5.00 - 7.99 Range of Exercise Prices [Member] | Top of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  |  | 6.99 |  |  |  |  |
U.S. Share Options [Member] | 5.00 - 7.99 Range of Exercise Prices [Member] | Bottom Of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  |  | 4.00 |  |  |  |  |
U.S. Share Options [Member] | 8.00 - 15.21 Range of Exercise Prices [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares |  |  |  |  | 1,094,400 | 1,094,400 |  |
Total options outstanding, Weighted average exercise price |  |  |  |  |  | $ 9.52 |  |
Total options outstanding, Weighted average remaining contractual life (years) | Year |  |  |  |  | 1.19 | 1.19 |  |
Options exercisable, Number | shares |  |  |  |  | 1,094,400 | 1,094,400 |  |
Options exercisable, Weighted average exercise price |  |  |  |  |  | $ 9.52 |  |
U.S. Share Options [Member] | 8.00 - 15.21 Range of Exercise Prices [Member] | Top of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  |  | 10.74 |  |  |  |  |
U.S. Share Options [Member] | 8.00 - 15.21 Range of Exercise Prices [Member] | Bottom Of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  |  | 7.00 |  |  |  |  |
U.S. Share Options [Member] | 3.21 - 15.21 Range of Exercise Prices [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Number | shares |  |  |  |  | 6,065,850 | 6,065,850 |  |
Total options outstanding, Weighted average exercise price |  |  |  |  |  | $ 5.17 |  |
Total options outstanding, Weighted average remaining contractual life (years) | Year |  |  |  |  | 4.20 | 4.20 |  |
Options exercisable, Number | shares |  |  |  |  | 3,224,078 | 3,224,078 |  |
Options exercisable, Weighted average exercise price |  |  |  |  |  | $ 6.22 |  |
U.S. Share Options [Member] | 3.21 - 15.21 Range of Exercise Prices [Member] | Top of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  |  | 10.74 |  |  |  |  |
U.S. Share Options [Member] | 3.21 - 15.21 Range of Exercise Prices [Member] | Bottom Of Range [Member] |  |  |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |  |  |  |  |  |  |
Total options outstanding, Range of exercise prices |  |  | $ 3.21 |  |  |  |  |

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