XML 49 R39.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Note 14 – Common Stock (Tables) | 3 Months Ended
--- | ---
Jul. 31, 2022
Equity [Abstract] |
Schedule of Common Stock Outstanding Roll Forward [Table Text Block] |
Description of Shares |  | Shares Issued
Shares outstanding as of April 30, 2021 |  |  | 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 units to employees, net of shares withheld of 225,869 to pay taxes and 92,812 to repay a Note |  |  | 225,637 |
Vesting of restricted stock units to Board of Directors |  |  | 48,124 |
Vesting of restricted stock units to consultants |  |  | 7,042 |
Shares issued for services |  |  | 111,667 |
Shares outstanding as of April 30, 2022 |  |  | 53,748,735 |
Vesting of restricted stock units to employees, net of shares withheld of 33,267 to pay taxes and 9,000 to repay a Note |  |  | 55,915 |
Vesting of restricted stock units to Board of Directors |  |  | 12,032 |
Vesting of restricted stock units to consultants |  |  | 1,760 |
Share outstanding as of July 31, 2022 |  |  | 53,818,442 |

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration