CAPITAL STOCK - Disclosure of detailed information about options, valuation assumptions (Details)	12 Months Ended
Dec. 31, 2021 USD ($) Year	Dec. 31, 2020 USD ($) Year
Disclosure Of Capital Stock Explanatory [Abstract]
Risk-free interest rate (average)	0.51%	1.32%
Estimated volatility (average)	67.29%	69.93%
Expected life in years \| Year	5.00	5.00
Expected dividend yield	0.00%	0.00%
Estimated forfeitures	0.00%	0.00%
Grant date fair value per option \| $	$ 0.38	$ 0.45

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
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-URIDate 2021-03-24

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- Definition

The option life of share options granted.

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- 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]]

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- Definition

The percentage of an expected dividend used to calculate the fair value of share options granted.

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- Definition

The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 2
-IssueDate 2021-01-01
-Paragraph 47
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_a&doctype=Standard
-URIDate 2021-03-24

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- Definition

Estimated forfeitures

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