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v3.23.2

Summary of shares of common stock issued (Details) - Common Stock [Member] - shares | 12 Months Ended
--- | ---
Apr. 30, 2023 | Apr. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Shares, Outstanding, Beginning Balance | 53,748,735 | 29,431,264
Conversion of Series A preferred stock |  | 1,321,996
Conversion of Series B preferred stock |  | 818,333
Exercise of warrants |  | 66,666
Acquisition of Skypersonic on May 7, 2021, see Note 1 |  | 707,293
Acquisition of Teal Drones on August 31, 2021, see Note 1 |  | 3,588,272
Public offerings which generated gross proceeds of $76 million and net proceeds of approximately $70.1 million |  | 17,333,334
Exercise of stock options |  | 89,107
Vesting of restricted stock to employees, net of shares withheld of 273,874 to pay taxes and 9,000 to repay a Note | 653,308 | 225,637
Vesting of restricted stock to Board of Directors | 116,507 | 48,124
Vesting of restricted stock to consultants | 9,683 | 7,042
Shares issued for services | 39,832 | 111,667
Shares, Outstanding, Ending Balance | 54,568,065 | 53,748,735

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