XML 77 R38.htm IDEA: XBRL DOCUMENT
v2.4.0.8

2. Inventory (Details Narrative) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | ---
RepaymentsOfBorrowingUnderSecuredDebtFacilities |  |
Lower of cost of market reserve | $ 43 | $ 0

X
- Details
Name: | AMTX_Disclosure2.InventoryDetailsNarrativeAbstract
Namespace Prefix: | AMTX_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lower of cost of market reserve + References No definition available. + Details
Name: | AMTX_LowerOfCostOfMarketReserve
Namespace Prefix: | AMTX_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant