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Share Capital (Schedule of Share Captial) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) shares | Dec. 31, 2016 USD ($) shares
Disclosure of classes of share capital [line items] |  |
Outstanding, options, beginning | shares |  | 3,105,355
Outstanding, options, Weighted average exercise price, beginning | $ |  | $ 3.66
Stock Options Clase of Share Capital [member] |  |
Disclosure of classes of share capital [line items] |  |
Outstanding, options, beginning | shares | 844,993 |
Exercised, options | shares | (307,160) | (2,236,861)
Granted, options | shares | 617,694 |
Forfeited, options | shares |  | (23,501)
Outstanding, options, ending | shares | 1,155,527 | 844,993
Exercisable, options | shares | 537,833 | 459,578
Outstanding, options, Weighted average exercise price, beginning | $ | $ 4.19 |
Exercised, options, Weighted average exercise price | $ | 3.39 | $ 3.45
Forfeited, options, Weighted average exercise price | $ |  | 4.79
Granted, options, Weighted average exercise price | $ | 6.35 |
Outstanding, options, Weighted average exercise price, ending | $ | 5.56 | 4.19
Exercisable, options, Weighted average exercise price | $ | $ 4.64 | $ 3.68
Warrants Clase of Share Capital [member] |  |
Disclosure of classes of share capital [line items] |  |
Outstanding, other than options, beginning | shares | 582,977 |
Exercised, other than options | shares | 238,515 | 931,700
Granted, other than options | shares |  | 1,514,677
Outstanding, other than options, ending | shares | 344,462 | 582,977
Weighted average, beginning, other units | $ | $ 6.01 |
Weighted average, granted, other units | $ |  | $ 6.01
Weighted average, exercised, other units | $ | 6.01 | 6.01
Weighted average, ending, other units | $ | $ 6.01 | $ 6.01

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