Document and Entity Information - shares	6 Months Ended
	Jan. 31, 2020	Mar. 02, 2020
Entity Registrant Name	Rafael Holdings, Inc.
Entity Central Index Key	0001713863
Amendment Flag	false
Current Fiscal Year End Date	--07-31
Document Type	10-Q
Document Period End Date	Jan. 31, 2020
Document Fiscal Period Focus	Q2
Entity Shell Company	false
Document Fiscal Year Focus	2020
Entity Filer Category	Accelerated Filer
Entity Current Reporting Status	Yes
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity File Number	000-55863
Entity Interactive Data Current	Yes
Entity Incorporation State country code	DE
Class A common stock
Entity Common Stock Shares Outstanding		787,163
Class B common stock
Entity Common Stock Shares Outstanding		15,031,723