Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
 6 Months Ended 12 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Apr. 30, 2022
Cash flows from operating activities:      
Net loss $ (3,425,519) $ (2,005,164)  
Adjustments to reconcile net loss to net cash used in operating activities:      
Stock issued for services 2,278 29,331  
Stock issued for compensation 6,667 22,110  
Stock-based compensation 8,807 34,528  
Change in assets and liabilities:      
Increase in prepaid expenses and other current assets (162,637) (168,666)  
Increase in other assets 0 (316)  
Increase (decrease) in accounts payable 655,916 (15,222)  
Decrease in accrued expenses (49,154) (523,435)  
Net cash used in operating activities (2,963,642) (2,626,834)  
Cash flows from investing activities:      
Net cash provided by (used in) investing activities 0 0  
Cash flows from financing activities:      
Repurchase of common stock (5,475,891) 0  
Proceeds from issuance of pre-funded warrants 0 31,669,027  
Proceeds from sale of common stock, net of issuance costs 0 55,693,022  
Proceeds from warrant exercise 880 0  
Net cash provided (used) in financing activities (5,475,011) 87,362,049  
Effect of currency rate exchange on cash and cash equivalents 584 1,291  
Net increase (decrease) in cash and cash equivalents (8,438,069) 84,736,506  
Cash and cash equivalents at beginning of the period 85,400,656 2,202,106 $ 2,202,106
Cash and cash equivalents at end of the period 76,962,587 86,938,612 $ 85,400,656
Supplemental disclosure of cash flows information:      
Cash paid during the periods for income taxes 0 1,600  
Cash paid during the periods for interest 0 509  
Non-cash equity issuance costs $ 0 $ 34,477,000