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v3.22.2.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Statement of Cash Flows [Abstract] |  |  |  |  |  |  |
Net loss for the period | $ (9,254) | $ (14,730) | $ (7,957) | $ (10,910) | $ (42,043) | $ (29,658) |
Items not involving cash: |  |  |  |  |  |  |
Depletion, depreciation and amortization | 850 |  | 800 |  | 2,529 | 2,363 |
Share-based compensation |  |  |  |  | 3,292 | 1,702 |
Change in value of warrant liabilities |  |  |  |  | 0 | 8,050 |
Accretion of asset retirement obligation | 397 |  | 350 |  | 1,301 | 1,022 | $ 1,284
Unrealized foreign exchange (gain) loss |  |  |  |  | 2,284 | (440) |
Revision and settlement of asset retirement obligation |  |  |  |  | (238) | (39) |
Unrealized gain on available-for-sale assets |  |  |  |  | 13,716 | 0 |
Other non-cash expenses (income) |  |  |  |  | 297 | (3,017) |
Changes in assets and liabilities |  |  |  |  |  |  |
(Increase) decrease in inventories |  |  |  |  | 2,729 | (1,673) |
(Increase) decrease in trade and other receivables |  |  |  |  | 565 | (61) |
Increase in prepaid expenses and other assets |  |  |  |  | (7,614) | (678) |
Decrease in accounts payable and accrued liabilities |  |  |  |  | (1,703) | (434) |
Net cash used in operating activities |  |  |  |  | (29,453) | (21,983) |
INVESTING ACTIVITIES |  |  |  |  |  |  |
Purchase of property, plant and equipment |  |  |  |  | 1,237 | 953 |
Purchases of marketable securities |  |  |  |  | (11,435) | 0 |
Maturities and sales of marketable securities |  |  |  |  | 0 | 2,554 |
Net cash (used in) provided by investing activities |  |  |  |  | (12,672) | 1,601 |
FINANCING ACTIVITIES |  |  |  |  |  |  |
Issuance of common shares for cash, net of issuance cost |  |  |  |  | 7,886 | 92,122 |
Cash paid to fund employee income tax withholding due upon vesting of restricted stock units |  |  |  |  | (884) | (659) |
Cash received from exercise of stock options |  |  |  |  | 472 | 1,718 |
Cash received from exercise of warrants |  |  |  |  | 0 | 6,627 |
Cash paid to settle and fund employee income tax withholding due upon exercise of stock appreciation rights |  |  |  |  | (11) | (48) |
Cash received from non-controlling interest |  |  |  |  | 0 | 229 |
Net cash provided by financing activities |  |  |  |  | 7,463 | 99,989 |
Effect of exchange rate fluctuations on cash held in foreign currencies |  |  |  |  | (84) | (61) |
Net change in cash, cash equivalents and restricted cash |  |  |  |  | (34,746) | 79,546 |
Cash, cash equivalents and restricted cash, beginning of period |  | $ 132,822 |  | $ 40,985 | 132,822 | 40,985 | 40,985
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD | $ 98,076 |  | $ 120,531 |  | 98,076 | 120,531 | $ 132,822
Supplemental disclosure of cash flow information: |  |  |  |  |  |  |
Increase (decrease) in accrued capital expenditures and accounts payable for property, plant and equipment |  |  |  |  | $ (116) | $ 0 |

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