Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Sep. 30, 2015
Nov. 04, 2015
Document and Entity Information:    
Entity Registrant Name Mentor Capital, Inc.  
Entity Trading Symbol mntr  
Document Type 10-Q  
Document Period End Date Sep. 30, 2015  
Amendment Flag false  
Entity Central Index Key 0001599117  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   16,023,123
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 2015  
Document Fiscal Period Focus Q3