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9. Outstanding Warrants (Tables) | 12 Months Ended
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Dec. 31, 2012
Outstanding Warrants Tables |
Schedule of warrant activity |
Preferred Stock |  |  |  |  |  |  |  |  |
|  | Warrants Outstanding & Exercisable |  |  | Weighted - Average Exercise Price |  |  | Average Remaining Term in Years |
Outstanding December 31, 2010 |  |  | 443,853 |  |  |  | 3.00 |  |  |  | 1.18 |
Expired |  |  | (51,374 | ) |  |  | 3.00 |  |  |  | - |
Outstanding December 31, 2011 |  |  | 392,479 |  |  |  | 3.00 |  |  |  | 0.25 |
Expired |  |  | (392,479 | ) |  |  | 3.00 |  |  |  | - |
Outstanding December 31, 2012 |  |  | - |  |  | $ | - |  |  |  | - |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |
|  | Warrants Outstanding & Exercisable |  |  | Weighted - Average Exercise Price |  |  | Average Remaining Term in Years |
Outstanding December 31, 2010 |  |  | 1,428,590 |  |  |  | 0.35 |  |  |  | 4.08 |
Expired |  |  | - |  |  |  | - |  |  |  | - |
Outstanding December 31, 2011 |  |  | 1,428,590 |  |  |  | 0.35 |  |  |  | 3.08 |
Granted |  |  | 1,816,000 |  |  |  | 0.001 |  |  |  | - |
Exercised |  |  | (1,432,667 | ) |  |  | 0.001 |  |  |  | - |
Expired |  |  | (5,000 | ) |  |  | 3.00 |  |  |  | - |
Outstanding December 31, 2012 |  |  | 1,806,923 |  |  | $ | 0.27 |  |  |  | 2.67 |

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- Definition Schedule of warrant activity + References No definition available. + Details
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Namespace Prefix: | AMTX_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration