v3.26.3
Document and Entity Information - shares
shares in Thousands
 3 Months Ended
Aug. 31, 2026
Sep. 30, 2026
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Aug. 31, 2026  
Document Transition Report false  
Entity File Number 000-49908  
Current Fiscal Year End Date --05-31  
Entity Registrant Name CYTODYN INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 83-1887078  
Entity Address, Address Line One 1111 Main Street  
Entity Address, Address Line Two Suite 660  
Entity Address, City or Town Vancouver  
Entity Address, State or Province WA  
Entity Address, Postal Zip Code 98660  
City Area Code 360  
Local Phone Number 980‑8524  
Title of 12(b) Security None  
No Trading Symbol Flag true  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   1,469,518
Entity Central Index Key 0001175680  
Document Fiscal Year Focus 2027  
Document Fiscal Period Focus Q1  
Amendment Flag false