Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
May 31, 2023
May 31, 2022
Cash Flows from Operating Activities    
Net loss $ (7,001) $ (18,006)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization (Notes 6 and 7) 133 139
Stock-based compensation expense (Note 15) 355 8,466
Accretion and accrued interest expenses (Note 10) 17 40
Changes in operating assets and liabilities:    
Sales tax and tax credits receivable (Note 3) (83) 594
Inventories (Note 4) (144)  
Prepaid expenses (Note 5) (90) (870)
Accounts payable and accrued liabilities (Note 9) 1,321 (2,012)
Customer deposits (12) 0
Net cash used in operating activities (5,504) (11,649)
Cash Flows from Investing Activities    
Deposits on machinery and equipment (Note 5) 2,023 73
Additions to intangible assets (Note 7) (99) (69)
Net cash used in investing activities (2,122) 4
Cash Flows from Financing Activities    
Repayment of long-term debt (Note 10) (16) 0
Net cash (used) provided by financing activities (16) 0
Effect of exchange rate changes 21 (15)
Net decrease in cash (7,621) (11,660)
Cash, cash equivalents and restricted cash, beginning of period 30,591 44,061
Cash, cash equivalents and restricted cash, end of period 22,970 32,401
Supplemental Disclosure of Cash Flow Information:    
Income tax paid 0 0
Interest paid 21 0
Interest received $ 99 $ 13