XML 12 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
 9 Months Ended
Sep. 30, 2016
Oct. 31, 2016
DocumentDocumentAndEntityInformationAbstract    
Entity Registrant Name AEMETIS, INC.  
Entity Central Index Key 0000738214  
Document Type 10-Q  
Document Period End Date Sep. 30, 2016  
Amendment Flag false  
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? Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   19,858,182
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2016