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1. Nature of Activities and Summary of Significant Accounting Policies (Details) | Jun. 30, 2013 | Jun. 30, 2012
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Nature Of Activities And Summary Of Significant Accounting Policies Details |  |
Aemetis Series B preferred | 3,077,725 | 3,097,725
Aemetis Series B warrants |  | 6,125
Aemetis Common stock options and warrants | 12,583,291 | 9,134,016
Convertible interest & fees on note – related party |  | 623,771
Convertible promissory note | 182,611 | 174,311
Total number of potentially dilutive shares excluded from the diluted net income/(loss) per share calculation | 15,843,627 | 13,035,948

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