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Acquisition of Marine Advanced Robotics, Inc. (Details Narrative) - USD ($) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 15, 2021 | Apr. 30, 2022 | Apr. 30, 2022
Business Acquisition [Line Items] |  |  |
Acquisition related costs | $ 300,000 |  |
Liability assumed | 456,000 |  |
Business combination contingent consideration | 1,600,000 |  |
Business combination maximum earnout amount | 1,500,000 |  |
Total consideration | 11,900,000 |  |
Intangible assets acquired |  |  | $ 3,900,000
Maximum [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business combination maximum earnout amount | $ 2,000,000 |  |
Revenue discount percentage | 14.50% |  |
Minimum [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Revenue discount percentage | 5.80% |  |
Marine Advanced Robotics, Inc. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Cash consideration | $ 4,000,000 |  |
Liability assumed | $ 456,000 |  |
Increase in goodwill |  | $ 580,000 |
Marine Advanced Robotics, Inc. [Member] | Restricted Stock [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Shares issued | 3,330,162 |  |
Business acquisition value | $ 5,900,000 |  |
Business Acquisition, Share Price | $ 2.10 |  |

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