v3.26.1
Cover
Mar. 19, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 19, 2026
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