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8. INVENTORIES (Tables) | 12 Months Ended
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Dec. 31, 2017
Inventories Tables |
Inventories |
|  |  |  | At December 31 |  | At December 31
(in thousands) |  |  |  | 2017 |  | 2016
Uranium concentrates and work-in-progress |  |  | $ | 419 | $ | 392
Inventory of ore in stockpiles |  |  |  | 1,672 |  | 1,562
Mine and mill supplies |  |  |  | 2,334 |  | 1,989
|  |  | $ | 4,425 | $ | 3,943
Inventories-by duration: |  |  |  |  |  |
Current |  |  | $ | 2,753 | $ | 2,381
Long term-ore in stockpiles |  |  |  | 1,672 |  | 1,562
|  |  | $ | 4,425 | $ | 3,943

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