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Supplemental Information (Tables)
 12 Months Ended
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