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Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Aug. 31, 2023
Aug. 31, 2022
Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited)        
Revenue from contracts with customers $ 54 $ 135 $ 81 $ 135
Expenses :        
Research and development (Note 13) 2,038 3,751 6,528 10,552
General and administrative (Note 14) 2,843 4,011 5,308 15,047
Depreciation and amortization (Notes 6 and 7) 136 138 268 277
Total expenses 5,017 7,900 12,104 25,876
Other (income) loss :        
Interest and other financial expenses 44 43 98 84
Interest income (219) (10) (318) (23)
Foreign exchange gain (38) (93) (52) (91)
Total other (income) loss (213) (60) (272) (30)
Net loss (4,750) (7,705) (11,751) (25,711)
Other comprehensive loss -        
Foreign currency translation adjustment 84 (412) 104 (417)
Comprehensive loss $ (4,666) $ (8,117) $ (11,647) $ (26,128)
Net loss per share        
Basic and diluteds $ (0.10) $ (0.16) $ (0.25) $ (0.54)
Weighted average common shares outstanding        
Basic and diluted 47,521,187 47,400,709 47,518,645 47,400,640