Document and Entity Information - shares
 6 Months Ended
Dec. 31, 2019
Feb. 08, 2020
Document And Entity Information    
Entity Registrant Name Innovation Pharmaceuticals Inc.  
Entity Central Index Key 0001355250  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --06-30  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Dec. 31, 2019  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2020  
Entity Common Stock Shares Outstanding   230,017,069
EntityFileNumber 001-37357  
EntityAddressAddressLine1 301 Edgewater Place  
EntityAddressAddressLine2 Suite 100  
EntityAddressPostalZipCode 01880  
EntityTaxIdentificationNumber 300565645  
EntityAddressCityOrTown Wakefield  
LocalPhoneNumber 921-4125  
CityAreaCode 978  
EntityAddressStateOrProvince MASSACHUSETTS