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Impact of restatements of previously issued consolidated financial statements (Details) - USD ($) | 12 Months Ended
--- | ---
Apr. 30, 2024 | Apr. 30, 2023
Operating lease right-of-use assets | $ 1,480,814 | $ 1,600,434
Total long-term assets | 26,140,063 | 28,568,316
Operating lease liabilities, long-term | 1,321,952 | 1,481,967
Total long-term liabilities | 1,321,952 | 1,925,350
Additional paid-in capital | 124,616,305 | 112,642,726
Accumulated deficit | (81,130,732) | (57,078,103)
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 48,537,612 | 60,743,328
Change in fair value of derivative liability | 9,642,427 |
Net loss | $ (24,052,629) | (28,107,029)
Restatement Impact Originally Reported [Member] |  |
Operating lease right-of-use assets |  | 620,307
Total long-term assets |  | 28,018,078
Operating lease liabilities, current |  | 281,797
Warrant derivative liability |  | 588,205
Total current liabilities |  | 4,760,616
Operating lease liabilities, long-term |  | 379,466
Total long-term liabilities |  | 822,849
Additional paid-in capital |  | 109,993,100
Accumulated deficit |  | (54,586,793)
Total shareholders’ equity |  | 54,609,625
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY |  | 60,193,090
Change in fair value of derivative liability |  | (1,019,292)
Net loss |  | (27,087,737)
Restatement Impact As Restated [Member] |  |
Operating lease right-of-use assets |  | 1,600,434
Total long-term assets |  | 28,568,316
Operating lease liabilities, current |  | 159,423
Warrant derivative liability |  |
Total current liabilities |  | 4,050,037
Operating lease liabilities, long-term |  | 1,481,967
Total long-term liabilities |  | 1,925,350
Additional paid-in capital |  | 112,642,726
Accumulated deficit |  | (57,078,103)
Total shareholders’ equity |  | 54,767,941
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY |  | 60,743,328
Change in fair value of derivative liability |  |
Net loss |  | (28,107,029)
Restatement Impact Change [Member] |  |
Operating lease right-of-use assets |  | 980,127
Total long-term assets |  | 550,238
Operating lease liabilities, current |  | (122,374)
Warrant derivative liability |  | (588,205)
Total current liabilities |  | (710,579)
Operating lease liabilities, long-term |  | 1,102,501
Total long-term liabilities |  | 1,102,501
Additional paid-in capital |  | 2,649,626
Accumulated deficit |  | (2,491,310)
Total shareholders’ equity |  | 158,316
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY |  | 550,238
Change in fair value of derivative liability |  | 1,019,292
Net loss |  | $ (1,019,292)

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