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Cover
Jul. 01, 2024
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 01, 2024
Entity File Number 001-41905
Entity Registrant Name Cassava Sciences, Inc.
Entity Central Index Key 0001069530
Entity Tax Identification Number 91-1911336
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 6801 N Capital of Texas Highway
Entity Address, Address Line Two Building 1; Suite 300
Entity Address, City or Town Austin
Entity Address, State or Province TX
Entity Address, Postal Zip Code 78731
City Area Code (512)
Local Phone Number 501-2444
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock, $0.001 par value  
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol SAVA
Security Exchange Name NASDAQ
Warrants, exercisable for shares of Common Stock*  
Title of 12(b) Security Warrants, exercisable for shares of Common Stock*
Trading Symbol SAVAW
Security Exchange Name NASDAQ