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v2.4.1.9

5. Notes Payable (Details Narrative) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Interest payments | $ 141us-gaap_InterestPaid | $ 2,646us-gaap_InterestPaid |
Third Eye Capital Term Notes |  |  |
Principal and interest outstanding | 7,300AMTX_PrincipalAndInterestOutstanding / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument1Member |  |
Unamortized discount | 200us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument1Member |  |
Third Eye Capital Revolving Credit Facility |  |  |
Principal and interest outstanding | 21,300AMTX_PrincipalAndInterestOutstanding / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument2Member |  |
Unamortized debt issuance costs | 700us-gaap_UnamortizedDebtIssuanceExpense / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument2Member |  |
Third Eye Capital Revenue Participation Term Notes |  |  |
Principal and interest outstanding | 10,100AMTX_PrincipalAndInterestOutstanding / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument3Member |  |
Unamortized discount | 300us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument3Member |  |
Third Eye Capital Acquisition Term Notes |  |  |
Principal and interest outstanding | 17,500AMTX_PrincipalAndInterestOutstanding / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument4Member |  |
Unamortized discount | 500us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument4Member |  |
Cilion shareholder Seller note payable |  |  |
Principal and interest outstanding | 5,400AMTX_PrincipalAndInterestOutstanding / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument5Member |  |
State Bank of India secured term loan |  |  |
Principal and interest outstanding | 3,600AMTX_PrincipalAndInterestOutstanding / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument6Member |  | 3,400AMTX_PrincipalAndInterestOutstanding / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument6Member
Outstanding debt | 2,700us-gaap_UnsecuredDebt / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument6Member |  | 2,600us-gaap_UnsecuredDebt / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument6Member
Subordinated Notes |  |  |
Principal and interest outstanding | 5,300AMTX_PrincipalAndInterestOutstanding / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument7Member |  | 5,400AMTX_PrincipalAndInterestOutstanding / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument7Member
Unamortized discount | 600us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument7Member |  | 200us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument7Member
EB-5 long-term promissory notes |  |  |
Outstanding accrued interest | 75AMTX_OutstandingAccruedInterest / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument8Member |  |
Unsecured working capital loans |  |  |
Principal payments made | 7,000us-gaap_RepaymentsOfNotesPayable / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument9Member | 1,500us-gaap_RepaymentsOfNotesPayable / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument9Member |
Interest payments | 37us-gaap_InterestPaid / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument9Member | 51us-gaap_InterestPaid / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument9Member |
Outstanding debt | $ 7,000us-gaap_UnsecuredDebt / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument9Member | $ 1,300us-gaap_UnsecuredDebt / us-gaap_DebtInstrumentAxis = AMTX_DebtInstrument9Member |

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- Definition Custom Element. + References No definition available. + Details
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- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: 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 + Details
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- Definition The amount of cash paid for interest during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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