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Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Cash flows from operating activities:    
Net loss $ (2,051,689) $ (1,366,855)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation 11,864 7,338
Amortization - Right-of-use assets, operating lease 21,454 19,498
Stock-based compensation 54,554 124,646
Warrants issued to non-employees 10,046  
Issuance of Common Stock for consulting services   100,000
Changes in current assets and liabilities:    
Inventory (13,860)  
Prepaid and other current assets 39,989 (49,411)
Deferred offering costs 29,498 (107,828)
Accounts payable (51,677) (176,529)
Accrued liabilities (44,706) 27,730
Lease liability, operating lease (24,193) 17,146
Net cash used in operating activities (2,018,720) (1,404,265)
Cash flows from investing activities:    
Acquisition of intellectual property - intangibles (833) (4,910)
Net cash used in investing activities (833) (4,910)
Cash flows from financing activities:    
Issuance of Common Stock, net of fees 603,746 391,950
Principal repayments of finance lease obligations (52,063) (67,588)
Net cash provided by financing activities 551,683 324,362
Net change in cash and cash equivalents during the period (1,467,870) (1,084,813)
Cash and cash equivalents, beginning of period 5,807,648 1,660,467
Cash and cash equivalents, end of period 4,339,778 575,654
SUPPLEMENTAL DISCLOSURES OF NON-CASH TRANSACTIONS:    
Issuance of Common Stock resulting from the Reverse Stock Split 94  
Financed insurance premiums $ 244,259 $ 260,090