v3.22.2.2
Cover - shares
3 Months Ended
Sep. 30, 2022
Nov. 04, 2022
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2022  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2023  
Current Fiscal Year End Date --06-30  
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 Dr.  
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  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   734,187