SHARE CAPITAL AND RESERVES - Schedule of fair value of stock options (Details) - Year	1 Months Ended	12 Months Ended
Jan. 28, 2021	Aug. 17, 2020	Jan. 24, 2020	Jan. 31, 2021	Jan. 31, 2020
Disclosure of classes of share capital [abstract]
Risk-free rate	0.19%	0.29%	1.46%	0.19%	0.29%
Expected life of options (years)	3	3	3	3	3
Annualized volatility	80.00%	80.00%	100.00%	80.00%	80.00%
Dividend rate	0.00%	0.00%	0.00%	0.00%	0.00%

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
-Paragraph 47
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_a_i&doctype=Standard
-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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