Other income (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jul. 31, 2021 |
Apr. 30, 2020 |
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| Other income (Details) [Line Items] | ||
| Other income | $ 7,000 | |
| Citibank N.A.,[Member] | ||
| Other income (Details) [Line Items] | ||
| Received amount | $ 7,000 |
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- References No definition available.
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- Definition Sum of investments and unrestricted cash as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of revenue and income classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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