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SUPPLEMENTAL CASH FLOW INFORMATION | 12 Months Ended
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Dec. 31, 2018
Cash Flow Statement [Abstract] |
SUPPLEMENTAL CASH FLOW INFORMATION | SUPPLEMENTAL CASH FLOW INFORMATION Changes in working capital items during the years ended December 31, 2018 and 2017 are as follows:
Years ended December 31 | 2018 |  | 2017 |
| $ |  | $ |
Trade and other receivables | (4,234 | ) | 23,232 |
Inventory | (40,144 | ) | (10,973 | )
Trade and other payables | 18,753 |  | (10,117 | )
Provisions | (5,309 | ) | (7,028 | )
| (30,934 | ) | (4,886 | )
26. | SUPPLEMENTAL CASH FLOW INFORMATION (Continued)
Other adjustments for non-cash income statement items during the years ended December 31, 2018 and 2017 are as follows:
Years ended December 31 | 2018 |  | 2017 |
| $ |  | $ |
Share-based payments | 2,157 |  | 2,219 |
Export duty adjustment in cost of sales | — |  | (4,303 | )
Change in estimate of close down and restoration provision | 1,580 |  | 141 |
Write down of fixed assets | 2,771 |  | 1,719 |
Other | 375 |  | 3,834 |
| 6,883 |  | 3,610 |
During the years ended December 31, 2018 and 2017, we conducted the following non-cash investing and financing transactions:
Years ended December 31 | 2018 |  | 2017 |
| $ |  | $ |
Marketable securities received for sale of exploration and evaluation assets (note 6) | 1,751 |  | 992 |
Transfer of share-based payment reserve upon exercise of stock options | (2,864 | ) | (1,339 | )
Acquisition of Chinchillas mineral property (note 3) | — |  | 28,839 |

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