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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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