v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 04, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Registrant Name Surrozen, Inc./DE  
Entity Central Index Key 0001824893  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity File Number 001-39635  
Entity Tax Identification Number 30-1374889  
Entity Address, Address Line One 171 Oyster Point Blvd  
Entity Address, Address Line Two Suite 400  
Entity Address, City or Town South San Francisco  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94080  
City Area Code 650  
Local Phone Number 489-9000  
Entity Interactive Data Current Yes  
Entity Incorporation, State or Country Code DE  
Document Quarterly Report true  
Document Transition Report false  
Entity Common Stock, Shares Outstanding   11,610,371
Common Stock [Member]    
Document Information [Line Items]    
Trading Symbol SRZN  
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Security Exchange Name NASDAQ  
Redeemable Warrant [Member]    
Document Information [Line Items]    
Trading Symbol SRZNW  
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one-fifteenth of a share of Common Stock  
Security Exchange Name NASDAQ