Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Dec. 31, 2017
Feb. 16, 2018
Document and Entity Information    
Entity Registrant Name Cantabio Pharmaceuticals Inc.  
Document Type 10-Q  
Document Period End Date Dec. 31, 2017  
Amendment Flag false  
Entity Central Index Key 0001550518  
Current Fiscal Year End Date --03-31  
Entity Common Stock, Shares Outstanding   36,355,468
Entity Filer Category Smaller Reporting Company  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q3  
Trading Symbol ctbo