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LOANS RECEIVABLE (Narrative) (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2020 CAD ($) shares $ / shares | Nov. 25, 2019 CAD ($) | Oct. 16, 2017 CAD ($) | Dec. 31, 2020 CAD ($) | Dec. 31, 2019 CAD ($)
Disclosure Of Loans Receivables [Line Items] |  |  |  |  |
Proceeds from loans receivable |  |  |  | $ 526 | $ (800)
Notes and loans receivable |  |  |  | 500 | 1,372
Revelo Resources Corp. [Member] |  |  |  |  |
Disclosure Of Loans Receivables [Line Items] |  |  |  |  |
Proceeds from non-current borrowings |  |  | $ 400 |  |
Borrowings, interest rate |  |  | 1.00% |  |
Bonus from notes receivable issued |  |  | $ 20 |  |
Proceeds from loans receivable |  |  |  | 526 |
Notes and loans receivable |  |  |  | 0 | 526
Norden Crown Metals Corp. (formerly Boreal Metals Corp.) [Member] |  |  |  |  |
Disclosure Of Loans Receivables [Line Items] |  |  |  |  |
Loan authorised |  | $ 800 |  |  |
Borrowings, interest rate | 0.65% | 8.08% |  |  |
Percentage of loan fee |  | 5.00% |  |  |
Loan fee |  | $ 40 |  |  |
Number of aggregate units received | shares | 7,368,304 |  |  |  |
Warrants exercise price | $ / shares | $ 0.11 |  |  |  |
Notes and loans receivable | $ 482 |  |  | $ 500 | $ 846

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