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Supplemental Information (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure Of Supplemental Information [Abstract] |
Components of Changes in Non-cash Working Capital Balances | Components of changes in non-cash working capital balances are as follows:
|  | 2017 |  |  | 2016 |
Accounts receivable |  | $ | (41,309 | ) |  | $ | 11,688 |
Inventory |  |  | (3,902 | ) |  |  | (429 | )
Accounts payable and accrued liabilities |  |  | (30,158 | ) |  |  | (3,136 | )
|  | $ | (75,369 | ) |  | $ | 8,123 |
Pertaining to: |  |  |  |  |  |  |  |
Operations |  | $ | (67,380 | ) |  | $ | 17,133 |
Investments |  | $ | (7,989 | ) |  | $ | (9,010 | )
Components of Accounts Receivable | The components of accounts receivable are as follows:
|  | 2017 |  |  | 2016 |
Trade |  | $ | 178,433 |  |  | $ | 150,142 |
Accrued trade |  |  | 91,708 |  |  |  | 87,685 |
Prepaids and other |  |  | 52,444 |  |  |  | 55,855 |
|  | $ | 322,585 |  |  | $ | 293,682 |
Disclosure Of Trade And Other Current Liabilities Explanatory | The components of accounts payable and accrued liabilities are as follows:
|  | 2017 |  |  | 2016 |
Accounts payable |  | $ | 87,436 |  |  | $ | 73,239 |
Accrued liabilities: |  |  |  |  |  |  |  |
Payroll |  |  | 58,550 |  |  |  | 59,595 |
Other |  |  | 63,639 |  |  |  | 107,902 |
|  | $ | 209,625 |  |  | $ | 240,736 |
Summary of Operating and General and Administrative Expenses | The following table presents operating and general and administrative expenses by nature:
|  | 2017 |  |  | 2016 |
Wages, salaries and benefits |  | $ | 580,482 |  |  | $ | 463,113 |
Purchased materials, supplies and services |  |  | 433,827 |  |  |  | 275,840 |
Share-based compensation |  |  | 1,934 |  |  |  | 36,205 |
|  | $ | 1,016,243 |  |  | $ | 775,158 |
Allocated to: |  |  |  |  |  |  |  |
Operating expense |  | $ | 926,171 |  |  | $ | 661,715 |
General and administrative |  |  | 90,072 |  |  |  | 107,689 |
Restructuring |  |  | — |  |  |  | 5,754 |
|  | $ | 1,016,243 |  |  | $ | 775,158 |

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