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v3.22.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Statement of Cash Flows [Abstract] |  |  |
Net loss for the period | $ (14,730) | $ (10,910) |
Items not involving cash: |  |  |
Depletion, depreciation and amortization | 813 | 766 |
Share-based compensation | 862 | 697 |
Change in value of warrant liabilities | 0 | 3,504 |
Accretion of asset retirement obligation | 394 | 321 | $ 1,284
Unrealized foreign exchange loss | (1,225) | (433) |
Revision and settlement of asset retirement obligation | 96 | (39) |
Other non-cash expenses (income) | 3,349 | (1,675) |
Changes in assets and liabilities |  |  |
Decrease (increase) in inventories | 784 | (401) |
Increase in trade and other receivables | (1,332) | (10) |
Increase in prepaid expenses and other assets | (886) | (626) |
Decrease in accounts payable and accrued liabilities | (1,123) | (506) |
Net cash (used in) provided by operating activities | (10,548) | (8,446) |
INVESTING ACTIVITIES |  |  |
Purchase of property, plant and equipment | 398 | 602 |
Maturities and sales of marketable securities | 0 | 1,173 |
Net cash (used in) provided by investing activities | (398) | 571 |
FINANCING ACTIVITIES |  |  |
Issuance of common shares for cash, net of issuance cost | 4,164 | 29,914 |
Cash paid to fund employee income tax withholding due upon vesting of restricted stock units | (892) | (659) |
Cash received from exercise of stock options | 318 | 703 |
Cash received from exercise of warrants | 0 | 436 |
Net cash (used in) provided by financing activities | 3,590 | 30,394 |
Effect of exchange rate fluctuations on cash held in foreign currencies | 19 | 25 |
Net change in cash, cash equivalents and restricted cash | (7,337) | 22,544 |
Cash, cash equivalents and restricted cash, beginning of period | 132,822 | 40,985 | 40,985
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD | 125,485 | 63,529 | $ 132,822
Supplemental disclosure of cash flow information: |  |  |
Interest | $ 9 | $ 16 |

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