XML 31 R28.htm IDEA: XBRL DOCUMENT
v2.4.0.8

7. Outstanding Warrants (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2014
Outstanding Warrants Tables |
Schedule of warrant activity |
|  | Warrants Outstanding & Exercisable |  |  | Weighted - Average Exercise Price |  |  | Average Remaining Term in Years |
Outstanding December 31, 2013 |  |  | 470 |  |  | $ | 3.40 |  |  |  | 4.85 |
Expired |  |  | - |  |  |  | - |  |  |  |  |
Granted |  |  | 30 |  |  |  | 0.01 |  |  |  |  |
Exercised |  |  | (30 | ) |  |  | 0.01 |  |  |  |  |
Outstanding March 31, 2014 |  |  | 470 |  |  | $ | 3.41 |  |  |  | 4.60 |
Expired |  |  | (47 | ) |  |  | 4.98 |  |  |  |  |
Granted |  |  | - |  |  |  | - |  |  |  |  |
Exercised |  |  | (54 | ) |  |  | 4.96 |  |  |  |  |
Outstanding June 30, 2014 |  |  | 369 |  |  | $ | 2.99 |  |  |  | 3.12 |

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

X
- Definition Custom Element. + References No definition available. + Details
Name: | AMTX_ScheduleOfWarrantActivity
Namespace Prefix: | AMTX_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration