LONG TERM DEBT (Narrative) (Details)	Jan. 31, 2021
Mortgage on building
Long term debt [Line Items]
Borrowings, interest rate	4.50%
Equipment and Vehicle loans \| Minimum
Long term debt [Line Items]
Borrowings, interest rate	5.59%
Equipment and Vehicle loans \| Maximum
Long term debt [Line Items]
Borrowings, interest rate	19.90%

The interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant