Cover	Jan. 03, 2025
Cover [Abstract]
Document Type	8-K
Amendment Flag	false
Document Period End Date	Jan. 03, 2025
Entity File Number	0-4057
Entity Registrant Name	PORTSMOUTH SQUARE, INC.
Entity Central Index Key	0000079661
Entity Tax Identification Number	94-1674111
Entity Incorporation, State or Country Code	CA
Entity Address, Address Line One	1516 S. Bundy Drive
Entity Address, Address Line Two	Suite 200
Entity Address, City or Town	Los Angeles
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	90025
City Area Code	(310)
Local Phone Number	889-2500
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	false