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DEFERRED REVENUE (Tables) | 12 Months Ended
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Dec. 31, 2018
Deferred Revenue Tables Abstract |
Deferred revenue |
|  | At December 31 |  | At December 31 |  | At January 1
(in thousands) |  | 2018 |  | 2017 |  | 2017
Deferred revenue – pre-sold toll milling | $ | 37,727 | $ | 38,652 | $ | -
| $ | 37,727 | $ | 38,652 | $ | -
Deferred revenue-by balance sheet presentation: |  |  |  |
Current | $ | 4,567 | $ | 4,936 | $ | -
Non-current |  | 33,160 |  | 33,716 |  | -
| $ | 37,727 | $ | 38,652 | $ | -
Deferred revenue liability continuity |
(in thousands) |  |  |  | 2018 |  | 2017
Balance-January 1 |  |  | $ | 38,652 | $ | -
Proceeds of APG Arrangement, net |  |  |  |
Upfront proceeds |  | - |  | 43,500
Less: toll milling cash receipts from July 1, 2016 to January 31, 2017 | - |  | (3,520)
Revenue earned during the period |  |  |  | (4,239) |  | (4,443)
Accretion |  |  |  | 3,314 |  | 3,115
Balance-December 31 |  |  | $ | 37,727 | $ | 38,652

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