XML 12 R1.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2024
May 06, 2024
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2024  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q1  
Document Quarterly Report true  
Document Transition Report false  
Current Fiscal Year End Date --12-31  
Entity Registrant Name IN8BIO, INC.  
Entity Central Index Key 0001740279  
Entity Tax Identification Number 82-5462585  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity File Number 001-39692  
Entity Shell Company false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Small Business true  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 350 5th Avenue  
Entity Address, Address Line Two Suite 5330  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10118  
City Area Code 646  
Local Phone Number 600-6438  
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Trading Symbol INAB  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   44,123,949