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EXPLORATION AND EVALUATION ASSETS | 12 Months Ended
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Dec. 31, 2017
Statement [Line Items] |
EXPLORATION AND EVALUATION ASSETS [Text Block] |
6. | EXPLORATION AND EVALUATION ASSETS
| a. | Casino ( 100% - Yukon, Canada)
|  | The Company’s only exploration and evaluation asset is the wholly-owned Casino Project. The Casino Project is a large copper-gold porphyry deposit located in Yukon, Canada.
|  | All claims comprising the Casino Project are subject to a 2.75% net smelter returns royalty (the “NSR Royalty”) on the future sale of any metals and minerals derived therefrom.
|  | As part of a separate agreement, Western is required to make a payment of $1 million upon making a production decision on the Casino Project.
| b. | Exploration and evaluation expenditures
|  |  | $ |
| DECEMBER 31, 2015 |  | 36,389,795 |
| Acquisition costs |  | 617,767 |
| Claims maintenance |  | 21,314 |
| Engineering |  | 337,039 |
| Permitting |  | 766,263 |
| Salary and wages |  | 540,744 |
| Share-based payments |  | 49,396 |
| DECEMBER 31, 2016 |  | 38,722,318 |
| Claims maintenance |  | 10,605 |
| Engineering |  | 183,165 |
| Permitting |  | 1,317,578 |
| Salary and wages |  | 347,887 |
| Share-based payments |  | 68,994 |
| DECEMBER 31, 2017 |  | 40,650,547 |

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- Definition The entire disclosure for exploration and evaluation assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2017-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=6&date=2017-03-01&anchor=sect_Disclosure&doctype=Standard -URIDate 2017-03-09 + Details
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