XML 28 R47.htm IDEA: XBRL DOCUMENT
v3.20.1

SHARE-BASED PAYMENTS - Disclosure of detailed information about share options valuation assumptions (Details) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 18, 2019 CAD ($) year Share | Apr. 23, 2019 CAD ($) year Share | Feb. 21, 2018 CAD ($) year Share | Dec. 31, 2019 Share | Dec. 31, 2018 Share
Disclosure of terms and conditions of share-based payment arrangement [abstract] |  |  |  |  |
Stock options granted | Share | 1,675,000 | 400,000 | 2,325,000 | 2,075,000 | 2,325,000
Exercise price | $ 0.90 | $ 0.75 | $ 1.20 |  |
Market price | $ 0.78 | $ 0.72 | $ 1.13 |  |
Expected option term (years) | year | 3.0 | 3.0 | 3.0 |  |
Expected stock price volatility | 51.80% | 51.60% | 59.90% |  |
Average risk-free interest rate | 1.36% | 1.56% | 1.94% |  |
Expected forfeiture rate | 0.00% | 0.00% | 0.00% |  |
Expected dividend yield | 0.00% | 0.00% | 0.00% |  |
FAIR VALUE ASSIGNED | $ 409,000 | $ 100,000 | $ 1,038,000 |  |

X
- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The option life of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DescriptionOfOptionLifeShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The exercise price of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ExercisePriceShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of an expected dividend used to calculate the fair value of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_ii&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expected forfeiture rate + References No definition available. + Details
Name: | wrn_DescriptionOfExpectedForfeitureRateShareOptionsGranted
Namespace Prefix: | wrn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition FAIR VALUE ASSIGNED + References No definition available. + Details
Name: | wrn_FairValueAssignedShareOptionsGranted
Namespace Prefix: | wrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Market price + References No definition available. + Details
Name: | wrn_MarketPriceShareOptionsGranted
Namespace Prefix: | wrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration