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Summary of Significant Accounting Policies (Details Narrative) - USD ($) | 12 Months Ended |
--- | --- | ---
Apr. 30, 2021 | Apr. 30, 2020 | Aug. 31, 2020
Revenue remaining performance obligation | $ 200,000 |  |
Revenue remaining performance obligation, percentage | 100.00% |  |
Performance obligation revenue of next twelve months | $ 200,000 |  |
Cash and cash equivalents | $ 83,028,000 | $ 10,002,000 |
Antidilutive securities excluded from computation of earnings per share, shares | 5,163,020 | 5,564,438 |
Share based compensation | $ 800,000 | $ 300,000 |
Impairment of intangible assets |  |  |
Income tax likely percentage description | Greater than 50% likely |  |
Trade Names [Member] |  |  |
Intangible asset estimated lives | 12 years |  |
Customer Relationship [Member] |  |  |
Intangible asset estimated lives | 10 years |  |
Minimum [Member] |  |  |
Estimated useful lives | 3 years |  |
Maximum [Member] |  |  |
Estimated useful lives | 7 years |  |
Santander Bank, N.A. [Member] |  |  |
Letters of credit issued, amount | $ 606,055 |  |
Santander Bank, N.A. [Member] | Letter 2 [Member] |  |  |
Letters of credit issued, amount | 64,547 |  |
Santander Bank, N.A. [Member] | Letter 2 [Member] | August 2020 [Member] |  |  |
Letters of credit outstanding, amount |  |  | $ 322,734
Foreign Financial Institutions [Member] |  |  |
Cash and cash equivalents | 300,000 |  |
Restricted Cash and Security Agreements [Member] | Santander Bank, N.A. [Member] | Letter 1 [Member] |  |  |
Letters of credit outstanding, amount | 125,690 |  |
Restricted Cash and Security Agreements [Member] | Santander Bank, N.A. [Member] | Letter 2 [Member] |  |  |
Letters of credit outstanding, amount | $ 645,467 |  |

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