XML 10 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 11, 2026
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Document Quarterly Report true  
Document Transition Report false  
Security Exchange Name NASDAQ  
Trading Symbol ATYR  
Entity Registrant Name ATYR PHARMA, INC.  
Entity Central Index Key 0001339970  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Shell Company false  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   98,051,212
Entity File Number 001-37378  
Entity Tax Identification Number 20-3435077  
Entity Address, Address Line One 10240 Sorrento Valley Road  
Entity Address, Address Line Two Suite 300  
Entity Address, City or Town San Diego  
Entity Address, State or Province CA  
Entity Incorporation, State or Country Code DE  
Entity Address, Postal Zip Code 92121  
City Area Code 858  
Local Phone Number 731-8389  
Title of 12(b) Security Common Stock, par value $0.001 per share