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v3.21.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Statement of Cash Flows [Abstract] |  |
Net loss for the period | $ (29,658) | $ (22,792)
Items not involving cash: |  |
Depletion, depreciation and amortization | 2,363 | 1,911
Share-based compensation | 1,702 | 2,369
Change in value of Convertible Debentures | 0 | (153)
Change in value of warrant liabilities | 8,050 | (215)
Accretion of asset retirement obligation | 1,022 | 1,434
Unrealized foreign exchange (gain) loss | (440) | 860
Revision of asset retirement obligation | (39) | 0
Impairment of inventories | 0 | 1,644
Other non-cash expenses | (3,017) | 649
Changes in assets and liabilities |  |
Increase in inventories | (1,673) | (5,748)
(Increase) decrease in trade and other receivables | (61) | 291
Increase in prepaid expenses and other assets | (678) | (442)
Decrease in accounts payable and accrued liabilities | (434) | (3,364)
Net cash (used in) provided by operating activities | (21,983) | (25,276)
INVESTING ACTIVITIES |  |
Purchase of property, plant and equipment | 953 | 515
Maturities and sales of marketable securities | 2,554 | 3,707
Net cash (used in) provided by investing activities | 1,601 | 3,192
FINANCING ACTIVITIES |  |
Issuance of common shares for cash, net of issuance cost | 92,122 | 44,642
Cash paid to fund employee income tax withholding due upon vesting of restricted stock units | (659) | (415)
Repayment of loans and borrowings | 0 | 8,303
Cash received from exercise of warrants | 6,627 | 0
Cash received from exercise of stock options | 1,718 | 0
Cash paid to settle and fund employee income tax withholding due upon exercise of stock appreciation rights | (48) | 0
Cash received from non-controlling interest | 229 | 133
Net cash (used in) provided by financing activities | 99,989 | 36,057
Effect of exchange rate fluctuations on cash held in foreign currencies | (61) | (52)
Net change in cash, cash equivalents and restricted cash | 79,546 | 13,921
Cash, cash equivalents and restricted cash, beginning of period | 40,985 | 32,891
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD | 120,531 | 46,812
Supplemental disclosure of cash flow information: |  |
Interest | $ 43 | $ 720

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