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Cover
Nov. 03, 2022
Cover [Abstract]  
Entity Registrant Name Aemetis, Inc.
Entity Central Index Key 0000738214
Document Type 8-K
Amendment Flag false
Entity Emerging Growth Company false
Document Period End Date Nov. 03, 2022
Entity Incorporation State Country Code DE
Entity File Number 001-36475
Entity Tax Identification Number 26-1407544
Entity Address Address Line 1 20400 Stevens Creek Blvd
Entity Address Address Line 2 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
Security 12b Title Common Stock, par value $0.001
Trading Symbol AMTX
Security Exchange Name NASDAQ
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false