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5. Notes Payable (Details 1) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015
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For the twelve months ending |
2016 | $ 12,138us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2017 | 61,879us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2018 | 3,160us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2019 | 17,500us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
Total debts | 94,677us-gaap_LongTermDebt
Discounts | (1,779)AMTX_Discounts
Total debt, net of discounts | $ 92,898AMTX_TotalDebtNetOfDiscounts

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