Quarterly report pursuant to Section 13 or 15(d)

Cover Page

v3.19.3
Cover Page - shares
3 Months Ended
Aug. 31, 2019
Oct. 04, 2019
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Aug. 31, 2019  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Entity Registrant Name CytoDyn Inc.  
Entity Central Index Key 0001175680  
Current Fiscal Year End Date --05-31  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Address, State or Province WA  
Entity Common Stock, Shares Outstanding   388,254,196