v3.26.1
Cover - shares
 9 Months Ended
Apr. 30, 2026
Jun. 09, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Apr. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
Entity Information [Line Items]    
Entity Registrant Name RAFAEL HOLDINGS, INC.  
Entity Central Index Key 0001713863  
Entity File Number 000-55863  
Entity Tax Identification Number 82-2296593  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --07-31  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 520 Broad Street  
Entity Address, City or Town Newark  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07102  
Entity Phone Fax Numbers [Line Items]    
City Area Code (212)  
Local Phone Number 658-1450  
Entity Listings [Line Items]    
Title of 12(b) Security Class B common stock, par value $0.01 per share  
Trading Symbol RFL  
Security Exchange Name NYSE  
Class A Common Stock    
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   787,163
Class B Common Stock    
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   51,212,833