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13. DEFERRED REVENUE (Tables) | 12 Months Ended
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Dec. 31, 2017
Deferred Revenue Tables |
Deferred revenue |
|  |  |  | At December 31 |  | At December 31
(in thousands) |  |  |  | 2017 |  | 2016
Deferred revenue – toll milling | $ | 29,679 | $ | -
|  |  | $ | 29,679 | $ | -
Deferred revenue-by balance sheet presentation: |  |  |  |
Current |  |  | $ | 2,498 | $ | -
Non-current |  |  |  | 27,181 |  | -
|  |  | $ | 29,679 | $ | -
Deferred revenue liability continuity |
(in thousands) |  |  |  |  |  | 2017
Balance-January 1 |  |  |  |  | $ | -
Proceeds of APG Arrangement, net |  |  |  |
Upfront proceeds |  |  |  | 32,860
Less: toll milling cash receipts from July 1, 2016 to January 31, 2017 |  |  | (2,659)
Revenue earned during the period |  |  |  |  |  | (2,114)
Foreign exchange |  |  |  |  |  | 1,592
Balance-December 31 |  |  |  |  | $ | 29,679

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