Quarterly report [Sections 13 or 15(d)]

Document And Entity Information

v3.26.1
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 13, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Registrant Name PASITHEA THERAPEUTICS CORP.  
Entity Central Index Key 0001841330  
Entity File Number 001-40804  
Entity Tax Identification Number 85-1591963  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --12-31  
Entity Address, Address Line One 1111 Lincoln Road  
Entity Address, Address Line Two Suite 500  
Entity Address, City or Town Miami Beach  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33139  
City Area Code (786)  
Local Phone Number 977-3380  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   33,414,448
Common Stock, par value $0.0001 per share    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol KTTA  
Security Exchange Name NASDAQ  
Warrants, to purchase shares of Common Stock, par value $0.0001 per share    
Document Information [Line Items]    
Title of 12(b) Security Warrants, to purchase shares of Common Stock, par value $0.0001 per share  
Trading Symbol KTTAW  
Security Exchange Name NASDAQ