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v3.21.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Statement of Cash Flows [Abstract] |  |
Net loss for the period | $ (21,701) | $ (13,854)
Items not involving cash: |  |
Depletion, depreciation and amortization | 1,559 | 1,104
Share-based compensation | 1,190 | 1,701
Change in value of Convertible Debentures | 0 |
Change in value of warrant liabilities | 7,050 | 92
Accretion of asset retirement obligation | 672 | 956
Unrealized foreign exchange (gain) loss | 1,597 | 706
Revision of asset retirement obligation | (39) | 0
Impairment of inventories | 0 | 1,506
Other non-cash expenses | (1,578) | 647
Changes in assets and liabilities |  |
Increase in inventories | (1,635) | (4,765)
(Increase) decrease in trade and other receivables | (47) | 401
(Increase) decrease in prepaid expenses and other assets | (182) | 188
Decrease in accounts payable and accrued liabilities | (190) | (3,100)
Net cash (used in) provided by operating activities | (16,498) | (15,830)
INVESTING ACTIVITIES |  |
Purchase of property, plant and equipment | 757 | 152
Maturities and sales of marketable securities | 2,554 | 3,203
Net cash (used in) provided by investing activities | 1,797 | 3,051
FINANCING ACTIVITIES |  |
Issuance of common shares for cash, net of issuance cost | 67,099 | 27,862
Cash paid to fund employee income tax withholding due upon vesting of restricted stock units | (659) | (415)
Repayment of loans and borrowings | 0 | 484
Cash received from exercise of warrants | 4,079 | 0
Cash received from exercise of stock options | 1,463 | 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 | 72,163 | 27,096
Effect of exchange rate fluctuations on cash held in foreign currencies | 1,409 | (336)
Net change in cash, cash equivalents and restricted cash | 58,871 | 13,981
Cash, cash equivalents and restricted cash, beginning of period | 40,985 | 32,891
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD | 99,856 | 46,872
Supplemental disclosure of cash flow information: |  |
Interest | $ 30 | $ 695

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