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INVENTORIES | 12 Months Ended
--- | ---
Dec. 31, 2020
Inventories |
INVENTORIES | The inventories balance consists of:
|  | At December 31 |  | At December 31
(in thousands) |  | 2020 |  | 2019
Uranium concentrates |  | $ | — |  |  | $ | 526 |
Inventory of ore in stockpiles |  |  | 2,098 |  |  |  | 2,098 |
Mine and mill supplies in MLJV |  |  | 3,015 |  |  |  | 2,826 |
|  | $ | 5,113 |  |  | $ | 5,450 |
Inventories-by balance sheet presentation: |  |  |  |  |  |  |  |
Current |  | $ | 3,015 |  |  | $ | 3,352 |
Long term-ore in stockpiles |  |  | 2,098 |  |  |  | 2,098 |
|  | $ | 5,113 |  |  | $ | 5,450 |
In 2020, the Company sold all of its uranium concentrate inventory. Long-term ore in stockpile inventory represents an estimate of the amount of ore on the stockpile in excess of the next twelve months of planned mill production.

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- Definition The entire disclosure for inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2019-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2019-en-r&doctype=Standard&dita_xref=IAS02_g36-39_TI -URIDate 2019-03-27 + Details
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