Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.20.2
Document And Entity Information - shares
6 Months Ended
Jun. 30, 2020
Aug. 14, 2020
Document Information [Line Items]    
Entity Registrant Name CORETEC GROUP INC.  
Entity Central Index Key 0001375195  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Current Reporting Status Yes  
Entity Emerging Growth Company false  
Entity Small Business true  
Entity Interactive Data Current Yes  
Entity Common Stock, Shares Outstanding (in shares)   204,151,128
Entity Shell Company false  
Document Type 10-Q  
Document Period End Date Jun. 30, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Amendment Flag false