XML 80 R29.htm IDEA: XBRL DOCUMENT
v2.4.0.8

8. Fair Value of Warrants (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2013
Fair Value Of Warrants Tables |
Schedule of fair value of liability warrants |
Expected dividend yield |  |  | 0 | %
Risk-free interest rate |  |  | 0. 26% - 1.82 | %
Expected volatility |  |  | 74.40% - 89.37 | %
Expected Life (years) |  |  | 2.00 - 10.00 |
Exercise price |  | $ | 0.001 - $0.50 |
Company stock price |  | $ | 0.37 - $0.50 |

X
- Details
Name: | AMTX_FairValueOfWarrantsTablesAbstract
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_ScheduleOfFairValueOfLiabilityWarrants
Namespace Prefix: | AMTX_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration