Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
12 Months Ended
Jun. 30, 2021
Sep. 08, 2021
Dec. 31, 2020
Document And Entity Information [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Jun. 30, 2021    
Document Transition Report false    
Entity Registrant Name Rezolute, Inc.    
Title of 12(b) Security Common Stock, par value $0.001    
Trading Symbol RZLT    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers Yes    
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   8,620,172  
Entity Public Float     $ 75,933,018
Current Fiscal Year End Date --06-30    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001509261    
Amendment Flag false