XML 16 R1.htm IDEA: XBRL DOCUMENT v3.6.0.2
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2016
Feb. 28, 2017
Jun. 30, 2016
Document And Entity Information      
Entity Registrant Name AEMETIS, INC.    
Entity Central Index Key 0000738214    
Document Type 10-K    
Document Period End Date Dec. 31, 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 Smaller Reporting Company    
Entity Public Float     $ 26,667,402
Entity Common Stock, Shares Outstanding   19,696,447  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2016