Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2017
Apr. 02, 2018
Jun. 30, 2017
Document And Entity Information      
Entity Registrant Name MABVAX THERAPEUTICS HOLDINGS, INC.    
Entity Central Index Key 0001109196    
Document Type 10-K/A    
Document Period End Date Dec. 31, 2017    
Amendment Flag true    
Amendment Description The following information amends and restates Note 15 of the MabVax Therapeutics Holdings, Inc. Consolidated Financial Statements for the year ended December 31, 2017.    
Current Fiscal Year End Date --12-31    
Is Entity a Well-known Seasoned Issuer? No    
Is Entity a Voluntary Filer? No    
Is Entity's Reporting Status Current? No    
Entity Small Business false    
Entity Filer Category Non-accelerated Filer    
Trading Symbol MBVX    
Entity Public Float     $ 12,360,790
Entity Common Stock, Shares Outstanding   8,961,840  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2017    
Entity Emerging Growth Company false    
Entity Shell Company false