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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
6 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Cash Flows from Operating Activities    
Net loss $ (11,751) $ (25,711)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization (Notes 6 and 7) 268 277
Stock-based compensation expense (Note 15) 743 9,095
Accretion and accrued interest expenses (Note 10) 36 79
Changes in operating assets and liabilities:    
Sales tax and tax credits receivable (Note 3) (114) (143)
Inventories (Note 4) (175) (330)
Prepaid expenses (Note 5) 510 124
Accounts payable and accrued liabilities (Note 9) (522) (2,799)
Customer deposits (12) 0
Net cash used in operating activities (11,017) (19,408)
Cash Flows from Investing Activities    
Deposits on equipment (Note 5) (5,065) (1,271)
Additions to property, plant and equipment (Note 6) 0 (58)
Additions to intangible assets (Note 7) (225) (141)
Net cash used in investing activities (5,290) (1,470)
Cash Flows from Financing Activities    
Repayment of long-term debt (Note 10) (32) 0
Net cash (used) provided by financing activities (32) 0
Effect of exchange rate changes 113 (183)
Net decrease in cash (16,226) (21,061)
Cash, cash equivalents and restricted cash, beginning of period 30,591 44,061
Cash, cash equivalents and restricted cash, end of period 14,365 23,000
Supplemental Disclosure of Cash Flow Information:    
Income tax paid 0 0
Interest paid 43 0
Interest received $ 213 $ 23