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Description of Business (Tables)
6 Months Ended
Jan. 31, 2022
Accounting Policies [Abstract]  
Schedule of entities majority-owned subsidiaries
Company  Country of Incorporation 

Percentage

Owned

 
Rafael Holdings, Inc.  United States – Delaware   100%
Broad Atlantic Associates, LLC  United States – Delaware   100%
IDT 225 Old NB Road, LLC  United States – Delaware   100%
IDT R.E. Holdings Ltd.  Israel   100%
Rafael Holdings Realty, Inc.  United States – Delaware   100%
Barer Institute, Inc.  United States – Delaware   100%
The Barer Institute, LLC  United States – Delaware   100%
Hillview Avenue Realty, JV  United States – Delaware   100%
Hillview Avenue Realty, LLC  United States – Delaware   100%
Rafael Medical Devices, LLC  United States – Delaware   100%
Levco Pharmaceuticals Ltd.  Israel   95%
Farber Partners, LLC  United States – Delaware   93%
Pharma Holdings, LLC  United States – Delaware   90%
LipoMedix Pharmaceuticals Ltd.  Israel   84%
Altira Capital & Consulting, LLC  United States – Delaware   67%
CS Pharma Holdings, LLC  United States – Delaware   45%*