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CASH AND CASH EQUIVALENTS (Tables) | 12 Months Ended
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Dec. 31, 2018
Cash And Cash Equivalents |
Cash and cash equivalent balance |
|  | At December 31 |  | At December 31 |  | At January 1
(in thousands) |  | 2018 |  | 2017 |  | 2017
Cash | $ | 1,152 | $ | 2,717 | $ | 6,927
Cash in MLJV and MWJV |  | 654 |  | 913 |  | 1,557
Cash equivalents |  | 21,401 |  | 6 |  | 7,410
| $ | 23,207 | $ | 3,636 | $ | 15,894

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