v3.25.4
Cover - shares
9 Months Ended
Dec. 31, 2025
Feb. 12, 2026
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Dec. 31, 2025  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --03-31  
File Number 333-225433  
Entity Registrant Name AVAI BIO, INC.  
Entity Central Index Key 0001740797  
Entity Tax Identification Number 38-4053064  
Entity Incorporation, State or Country Code NV  
address 5348 Vegas Drive  
city  Las Vegas  
Address NV  
Postal Zip Code 89108  
area code 866  
phone number 533-0065  
Entity Current Reporting Status Yes  
Interactive Data Yes  
Filer Category Non-accelerated Filer  
Entity Small Business true  
Emerging Growth Company false  
Shell Company false  
common shares issued and outstanding   138,252,252