Other Income	3 Months Ended	12 Months Ended
Jul. 31, 2023	Apr. 30, 2023
Other Income [Abstract]
Other income	17. Other income For the three months ended July 31, 2023, other income mainly consists of $0.38 million employee retention credit (“ERC”) received (after net-off with investment loss of $28,456). The ERC is a tax credit for businesses that continued to pay employees while shut down due to the COVID-19 pandemic or had significant declines in gross receipts from March 13, 2020 to December 31, 2021.	16. Other income For the year ended April 30, 2023, other income mainly consists of $1.88 million employee retention credit (“ERC”) received. The ERC is a tax credit for businesses that continued to pay employees while shut down due to the COVID-19 pandemic or had significant declines in gross receipts from March 13, 2020 to December 31, 2021.

The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 610
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//610/tableOfContent

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 720
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//720/tableOfContent

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