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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Summary of Significant Accounting Policies (Details Narrative) - USD ($)			1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Nov. 30, 2022	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022	Apr. 30, 2022	Apr. 30, 2021	Aug. 31, 2020
Product Information [Line Items]
Cash and cash equivalents				$ 10,920,000		$ 10,920,000		$ 7,885,000
Investment securities				30,005,000		30,005,000		49,384,000
Investment owned at cost						200,000	$ 0
Share based compensation expense				300,000	$ 300,000	900,000	900,000
Revenue remaining performance obligation				2,500,000		$ 2,500,000
Revenue remaining performance obligation, percentage						85.00%
Other income						$ 1,202,000
Antidilutive securities earnings per share						8,010,373	6,356,123
Internal Revenue Service (IRS) [Member]
Product Information [Line Items]
Reveune from IRS			$ 205,000
Cares ERC [Member]
Product Information [Line Items]
Claime amount								$ 590,000	$ 612,000
Other income						$ 1,202,000
Employee Retention Credit [Member]
Product Information [Line Items]
[custom:CretainEmployeeTaxes-0]		$ 5,000
Credit Derivative, Liquidation Proceeds, Percentage	70.00%	50.00%
Salary and Wage, NonOfficer, Excluding Cost of Good and Service Sold	$ 10,000	$ 10,000
Maximum [Member]
Product Information [Line Items]
Revenue remaining performance obligation				$ 2,100,000		$ 2,100,000
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Two and Four Customers [Member]
Product Information [Line Items]
Concentration risk percentage						28.00%	58.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Five and Four Customers [Member]
Product Information [Line Items]
Concentration risk percentage				63.00%	71.00%
Santander Bank [Member]
Product Information [Line Items]
Deposits				$ 154,000		$ 154,000
Letters of credit issued amount										$ 645,000
Letter of credit amount reduced				258,000		258,000				$ 323,000
Santander Bank [Member] \| January 2024 [Member]
Product Information [Line Items]
Letters of credit issued amount				65,000		65,000
Foreign Financial Institutions [Member]
Product Information [Line Items]
Cash and cash equivalents				$ 14,000		$ 14,000