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DEFERRED REVENUE (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
DEFERRED REVENUE |
Deferred revenue |
|  | At December 31 |  |  | At December 31 |
(in thousands) |  | 2021 |  |  | 2020 |
Deferred revenue-pre-sold toll milling: |  |  |  |  |  |
CLJV Toll Milling-APG |  | $ | 36,508 |  |  | $ | 36,617 |
|  | $ | 36,508 |  |  | $ | 36,617 |
Deferred revenue-by balance sheet presentation: |  |  |  |  |  |  |  |
Current |  | $ | 4,656 |  |  | $ | 3,478 |
Non-current |  |  | 31,852 |  |  |  | 33,139 |
|  | $ | 36,508 |  |  | $ | 36,617 |
Deferred revenue liability continuity |
(in thousands) |  | 2021 |  |  | 2020 |
Balance-January 1 |  | $ | 36,617 |  |  | $ | 36,321 |
Revenue earned during the period (note 22) |  |  | (3,207 | ) |  |  | (2,762 | )
Accretion (note 21) |  |  | 3,098 |  |  |  | 3,058 |
Balance-December 31 |  | $ | 36,508 |  |  | $ | 36,617 |

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