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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)
Series B Preferred Stock 1 [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Beginning balance, value at Apr. 30, 2023 $ 9,867 $ 54,568 $ 112,642,726 $ (57,078,103) $ (861,117) $ 54,767,941
Shares, Outstanding, Beginning Balance at Apr. 30, 2023 986,676 54,568,065        
Stock based compensation 911,606 911,606
Vesting of restricted stock units $ 155 (8,675) (8,520)
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings   155,476        
Conversion of preferred stock $ (9,820) $ 818 9,002
Stock Issued During Period, Shares, Conversion of Convertible Securities (982,000) 818,334        
Unrealized gain on marketable securities 289,389 289,389
Currency translation adjustments 1,646 1,646
Net loss (5,836,868) (5,836,868)
Ending balance, value at Jul. 31, 2023 $ 47 $ 55,541 113,554,659 (62,914,971) (570,082) 50,125,194
Shares, Outstanding, Ending Balance at Jul. 31, 2023 4,676 55,541,875        
Beginning balance, value at Apr. 30, 2024 $ 47 $ 74,289 124,616,305 (81,130,732) 4,621 43,564,530
Shares, Outstanding, Beginning Balance at Apr. 30, 2024 4,676 74,289,351        
Stock based compensation 1,446,038 1,446,038
Vesting of restricted stock units $ 293 (134,330) (134,037)
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings   293,302        
Currency translation adjustments (4,621) (4,621)
Net loss (12,416,376) (12,416,376)
Exercise of warrants $ 308 (308)
[custom:StockIssuedDuringPeriodSharesStockWarrantsExercised]   307,595        
Ending balance, value at Jul. 31, 2024 $ 47 $ 74,890 $ 125,927,705 $ (93,547,108) $ 32,455,534
Shares, Outstanding, Ending Balance at Jul. 31, 2024 4,676 74,890,248