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v3.20.1

Leases (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2020 | Apr. 30, 2019 | Apr. 30, 2020 | Apr. 30, 2019 | Apr. 30, 2020
Rafael Holdings Inc [Member] |  |  |  |  |
Leases (Textual) |  |  |  |  |
Lease costs | $ 500 | $ 500 | $ 1,400 | $ 1,300 |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |
Leases (Textual) |  |  |  |  |
ASU 2016-02 Adoption |  |  | $ 12,400 |  |
Israel [Member] |  |  |  |  |
Leases (Textual) |  |  |  |  |
Lease expires |  |  |  |  | Jul. 31, 2025
Newark Lease [Member] |  |  |  |  |
Leases (Textual) |  |  |  |  |
Lease expires |  |  | Apr. 30, 2025 |  |

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- References No definition available. + Details
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- Definition Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statement. + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
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- Details
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