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CONSOLIDATED STATEMENTS OF CASH FLOWS - CAD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Operating Activities |  |  |
Net loss for the year | $ (22,505,057) | $ (33,122,888) | $ (17,037,225)
Depreciation - property and equipment | 88,957 | 122,982 | 95,375
Depreciation - right-of-use assets | 357,230 | 362,592 | 0
Share-based compensation | 2,558,974 | 1,470,153 | 1,415,833
Interest expense on lease liabilities | 68,526 | 94,817 | 0
Unrealized foreign exchange loss (gain) | 645,078 | 353,189 | (374,337)
Onerous lease contract | 0 | 0 | 67,588
Amortization - lease incentive liability | 0 | 0 | 8,189
Change in fair value of warrant derivative | (3,491,928) | 12,608,808 | 0
Net change in non-cash working capital | 209,779 | (1,795,777) | 3,904,339
Cash used in operating activities | (22,068,441) | (19,906,124) | (11,920,238)
Investing Activities |  |  |
Acquisition of property and equipment | (29,305) | (10,905) | (107,466)
Cash used in investing activities | (29,305) | (10,905) | (107,466)
Financing Activities |  |  |
Proceeds from exercise of stock options | 241,922 | 0 | 123,538
Payment of lease liabilities | (460,724) | (447,497) | 0
Cash provided by financing activities | 39,773,804 | 21,015,596 | 13,299,136
Increase in cash | 17,676,058 | 1,098,567 | 1,271,432
Cash and cash equivalents, beginning of year | 14,148,021 | 13,699,881 | 11,836,119
Impact of foreign exchange on cash and cash equivalents | (604,505) | (650,427) | 592,330
Cash and cash equivalents, end of year | 31,219,574 | 14,148,021 | 13,699,881
Warrant Derivative And Shares Under Warrant Agreement |  |  |
Financing Activities |  |  |
Proceeds from share issuance | 1,696,460 | 3,465,867 | 1,417
Common Stock Purchase Agreement |  |  |
Financing Activities |  |  |
Proceeds from share issuance | 0 | 5,360,247 | 2,533,980
At-the-market agreement |  |  |
Financing Activities |  |  |
Proceeds from share issuance | 38,296,146 | 8,131,620 | 451,675
Public offering |  |  |
Financing Activities |  |  |
Proceeds from share issuance | $ 0 | $ 4,505,359 | $ 10,188,526

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