XML 27 R57.htm IDEA: XBRL DOCUMENT v2.4.1.9
7. Stockholders Equity' (Details)
Dec. 31, 2014
Dec. 31, 2013
Authorized Shares 65,000AMTX_AuthorizedSharesPreferred  
Shares Issued and Outstanding December 31, 1,665AMTX_SharesIssuedAndOutstandingPreferredStock 2,401AMTX_SharesIssuedAndOutstandingPreferredStock
Undesignated    
Authorized Shares 57,765AMTX_AuthorizedSharesPreferred
/ us-gaap_PreferredUnitsByNameAxis
= AMTX_UndesignatedMember		  
Shares Issued and Outstanding December 31, 0AMTX_SharesIssuedAndOutstandingPreferredStock
/ us-gaap_PreferredUnitsByNameAxis
= AMTX_UndesignatedMember		 0AMTX_SharesIssuedAndOutstandingPreferredStock
/ us-gaap_PreferredUnitsByNameAxis
= AMTX_UndesignatedMember
Series B Preferred Stock    
Authorized Shares 7,235AMTX_AuthorizedSharesPreferred
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SeriesBPreferredStockMember		  
Shares Issued and Outstanding December 31, 1,665AMTX_SharesIssuedAndOutstandingPreferredStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SeriesBPreferredStockMember		 2,401AMTX_SharesIssuedAndOutstandingPreferredStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SeriesBPreferredStockMember