XML 29 R57.htm IDEA: XBRL DOCUMENT
v2.4.0.8

10. Fair Value Measurements (Details 1) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Fair Value Measurements Details 1 |  |
Beginning Balance | $ 267,950 | $ 0
Issuances of warrant liabilities | 995,418 | 1,189,095
Exercise of warrant liabilities | (1,006,648) | (1,018,167)
Realized and unrealized gain related to change in fair value | (197,127) | 97,022
Ending Balance | $ 59,593 | $ 267,950

X
- Definition India + References No definition available. + Details
Name: | AMTX_BalanceAsOfDecember312012
Namespace Prefix: | AMTX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition India1 + References No definition available. + Details
Name: | AMTX_BalanceAsOfMarch312013
Namespace Prefix: | AMTX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Proceeds from sale of land + References No definition available. + Details
Name: | AMTX_ExerciseOfWarrantLiabilities
Namespace Prefix: | AMTX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | AMTX_FairValueMeasurementsDetails1Abstract
Namespace Prefix: | AMTX_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | AMTX_IssuancesOfWarrantLiabilities
Namespace Prefix: | AMTX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | AMTX_RealizedAndUnrealizedGainRelatedToChangeInFairValue
Namespace Prefix: | AMTX_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration