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2. Inventory (Details Narrative) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
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Inventory Details Narrative |  |
Lower of cost of market reserve | $ 0 | $ 104,894

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- Details
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Namespace Prefix: | AMTX_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Lower of cost of market reserve + References No definition available. + Details
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Balance Type: | debit
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