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Additional Cash Flow Disclosures
 12 Months Ended
Dec. 31, 2019
Statement of cash flows [abstract]  
Additional Cash Flow Disclosures
Additional Cash Flow Disclosures
 
Net Change In Non-Cash Working Capital
 
2019
$
2018
$
2017
$
Change in:
 

 

 

Contract receivable
—

4,767,100

(4,767,100
)
Other receivables
(2,017,122
)
(13,924
)
16,680

Prepaid expenses
(2,012,605
)
475,077

(915,222
)
Accounts payable and accrued liabilities
1,347,365

(1,858,170
)
(384,641
)
Contract liability
—

547,707

6,182,580

Other liabilities
807,877

(27,982
)
—

Non-cash impact of foreign exchange
78,708

14,531

48,558

Change in non-cash working capital related to operating activities
(1,795,777
)
3,904,339

180,855



Other Cash Flow Disclosures

2019
$
2018
$
2017
$
Cash interest received
274,094

173,496

130,101

Cash taxes paid
5,448

15,728

136,163