Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
6 Months Ended
Sep. 30, 2018
Nov. 09, 2018
Document and Entity Information    
Entity Registrant Name Cantabio Pharmaceuticals Inc.  
Document Type 10-Q  
Document Period End Date Sep. 30, 2018  
Amendment Flag false  
Entity Central Index Key 0001550518  
Current Fiscal Year End Date --03-31  
Entity Common Stock, Shares Outstanding   81,950,977
Entity Filer Category Non-accelerated Filer  
Entity Current Reporting Status Yes  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Trading Symbol ctbo