Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Jun. 30, 2018
Sep. 28, 2018
Dec. 31, 2017
Document and Entity Information [Abstract]      
Entity Registrant Name RELMADA THERAPEUTICS, INC.    
Entity Central Index Key 0001553643    
Trading Symbol RLMD    
Amendment Flag false    
Current Fiscal Year End Date --06-30    
Document Type 10-K    
Document Period End Date Jun. 30, 2018    
Entity Emerging Growth Company false    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2018    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Ex Transition Period false    
Entity Public Float     $ 9,408,840
Entity Common Stock, Shares Outstanding   12,549,870