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Supplemental Information (Tables) | 12 Months Ended
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Dec. 31, 2018
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:
|  | 2018 |  |  | 2017 |
Accounts receivable |  | $ | (32,709 | ) |  | $ | (41,309 | )
Inventory |  |  | (7,504 | ) |  |  | (3,902 | )
Accounts payable and accrued liabilities |  |  | 23,225 |  |  |  | (30,158 | )
|  | $ | (16,988 | ) |  | $ | (75,369 | )
Pertaining to: |  |  |  |  |  |  |  |
Operations |  | $ | (17,880 | ) |  | $ | (67,380 | )
Investments |  | $ | 892 |  |  | $ | (7,989 | )
Components of Accounts Receivable | The components of accounts receivable are as follows:
|  | 2018 |  |  | 2017 |
Trade |  | $ | 264,589 |  |  | $ | 178,433 |
Accrued trade |  |  | 47,426 |  |  |  | 91,708 |
Prepaids and other |  |  | 60,321 |  |  |  | 52,444 |
|  | $ | 372,336 |  |  | $ | 322,585 |
Components of Accounts Payable and Accrued Liabilities | The components of accounts payable and accrued liabilities are as follows:
|  | 2018 |  |  | 2017 |
Accounts payable |  | $ | 129,493 |  |  | $ | 87,436 |
Accrued liabilities: |  |  |  |  |  |  |  |
Payroll |  |  | 73,682 |  |  |  | 58,550 |
Other |  |  | 71,314 |  |  |  | 63,639 |
|  | $ | 274,489 |  |  | $ | 209,625 |
Summary of Operating and General and Administrative Expenses | The following table presents operating and general and administrative expenses by nature:
|  | 2018 |  |  | 2017 |
Wages, salaries and benefits |  | $ | 728,101 |  |  | $ | 580,482 |
Purchased materials, supplies and services |  |  | 422,359 |  |  |  | 433,827 |
Share based compensation |  |  | 15,598 |  |  |  | 1,934 |
|  | $ | 1,166,058 |  |  | $ | 1,016,243 |
Allocated to: |  |  |  |  |  |  |  |
Operating expense |  | $ | 1,067,871 |  |  | $ | 926,171 |
General and administrative |  |  | 112,387 |  |  |  | 90,072 |
Other recoveries |  |  | (14,200 | ) |  |  | — |
|  | $ | 1,166,058 |  |  | $ | 1,016,243 |

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