v3.25.2
Cover Page - shares
 6 Months Ended
Jun. 30, 2025
Aug. 11, 2025
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Entity Registrant Name ARS Pharmaceuticals, Inc.  
Entity Central Index Key 0001671858  
Document Period End Date Jun. 30, 2025  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Entity Current Reporting Status Yes  
Title of 12(b) Security Common Stock  
Trading Symbol SPRY  
Security Exchange Name NASDAQ  
Securities Act File Number 001-39756  
Entity Tax Identification Number 81-1489190  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 11682 El Camino Real  
Entity Address, Address Line Two Suite 300  
Entity Address, City or Town San Diego  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92130  
City Area Code 858  
Local Phone Number 771-9307  
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   98,826,337