v3.22.4
Consolidated Statements of Operations - USD ($)
3 Months Ended 12 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Income Statement [Abstract]        
Revenue
Expenses:        
Research and development 4,768,372 6,645,771 25,821,543 34,097,641
General and administrative 2,538,497 3,269,723 11,190,519 14,282,417
Loss from operations (7,306,869) (9,915,494) (37,012,062) (48,380,058)
Gain on extinguishment of debt     960,790
Other income (expense), net 38,098 (2,010) 28,857 (704)
Interest expense (11,081) (8,045) (20,925) (15,857)
Foreign currency exchange gain (loss), net (781,546) 116,924 (509,652) (144,085)
Loss before income taxes (8,061,398) (9,808,625) (37,513,782) (47,579,914)
Income tax (benefit) expense (3,334,148) (2,412,183)
Net loss $ (8,061,398) $ (9,808,625) $ (34,179,634) $ (45,167,731)
Basic and diluted net loss per common share $ (4.50) $ (5.51) $ (19.13) $ (30.20)
Weighted average shares used in computing basic and diluted net loss per common share 1,790,301 1,780,788 1,786,557 1,495,608