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1. Nature of Activities and Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Disclosure1.NotesOfActivitiesAndSummaryOfSignificantAccountingPoliciesDetailsAbstract
Repayment of funds received		$ 800
Carrying amount of debt obligations	$ 70,700
Debt fair value	$ 71,600

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- References

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Custom Element.

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Namespace Prefix:	AMTX_
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Balance Type:	debit
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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 835



-SubTopic 30



-Section 55



-Paragraph 8



-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 835



-SubTopic 30



-Section 45



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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