Quarterly report pursuant to sections 13 or 15(d)

Document and Entity Information

v2.4.0.6
Document and Entity Information
3 Months Ended
Aug. 31, 2012
Sep. 30, 2012
Document and Entity Information [Abstract]    
Entity Registrant Name CYTODYN INC  
Entity Central Index Key 0001175680  
Document Type 10-Q/A  
Document Period End Date Aug. 31, 2012  
Amendment Flag false  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --05-31  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   29,898,561