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INVENTORIES | 12 Months Ended
--- | ---
Dec. 31, 2019
Inventories |
INVENTORIES | The inventories balance consists of:
|  |  |  | At December 31 |  | At December 31
(in thousands) |  |  |  | 2019 |  | 2018
Uranium concentrates |  |  | $ | 526 | $ | 526
Inventory of ore in stockpiles |  |  |  | 2,098 |  | 2,098
Mine and mill supplies in MLJV |  |  |  | 2,826 |  | 3,058
|  |  | $ | 5,450 | $ | 5,682
Inventories-by balance sheet presentation: |  |  |  |  |  |
Current |  |  | $ | 3,352 | $ | 3,584
Long term-ore in stockpiles |  |  |  | 2,098 |  | 2,098
|  |  | $ | 5,450 | $ | 5,682
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. The uranium concentrate inventory has a fair market value, excluding selling costs, of $844,000 at December 31, 2019 ($1,011,000 - December 31, 2018).

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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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