XML 17 R1.htm IDEA: XBRL DOCUMENT v3.24.1
Document And Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2023
Feb. 29, 2024
Jun. 30, 2023
Document Information [Line Items]      
Entity Central Index Key 0000738214    
Entity Registrant Name AEMETIS, INC    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2023    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Document Transition Report false    
Entity File Number 001-36475    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 26-1407544    
Entity Address, Address Line One 20400 Stevens Creek Blvd., Suite 700    
Entity Address, City or Town Cupertino    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 95014    
City Area Code 408    
Local Phone Number 213-0940    
Title of 12(b) Security Common Stock, $0.001 par value    
Trading Symbol AMTX    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 253,200,000
Entity Common Stock, Shares Outstanding   42,608,698  
Auditor Firm ID 49    
Auditor Name RSM US LLP     
Auditor Location Des Moines, Iowa