XML 45 R22.htm IDEA: XBRL DOCUMENT
v2.4.1.9

1. Nature of Activities and Summary of Significant Accounting Policies (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2015
Proceeds from sale of land |
Reconciles the number of shares utilized in the net income (loss) per share | The following table reconciles the number of shares utilized in the net income (loss) per share calculations for the three months ended March 31, 2015 and 2014:
|  | Three months ended March 31, |
|  | 2015 |  |  | 2014 |
|  | (In thousands, except per share amounts) |
Net income (loss) |  | $ | (8,643 | ) |  | $ | 7,687 |
Shares: |  |  |  |  |  |  |  |
Weighted average shares outstanding—basic |  |  | 20,595 |  |  |  | 20,007 |
Weighted average dilutive share equivalents from preferred shares |  |  | - |  |  |  | 2,384 |
Weighted average dilutive share equivalents from stock options |  |  | - |  |  |  | 167 |
Weighted average dilutive share equivalents from common warrants |  |  | - |  |  |  | 94 |
Weighted average dilutive share equivalents from convertible promissory note |  |  | - |  |  |  | 5 |
Weighted average shares outstanding—diluted |  |  | 20,595 |  |  |  | 22,657 |
Earnings (loss) per share—basic |  | $ | (0.42 | ) |  | $ | 0.38 |
Earnings (loss) per share—diluted |  | $ | (0.42 | ) |  | $ | 0.34 |
Schedule of dilutive securities | The following table shows the number of potentially dilutive shares excluded from the diluted net income (loss) per share calculation as of March 31, 2015 and 2014:
|  | As of |
|  | March 31, 2015 |  |  | March 31, 2014 |
Series B preferred (convertible on a 10 to 1 basis) |  |  | 1,558 |  |  |  | - |
Common stock options and warrants |  |  | 1,251 |  |  |  | 1,137 |
Total number of potentially dilutive shares excluded from the basic and diluted net income (loss) per share calculation |  |  | 2,809 |  |  |  | 1,137 |

X
- Details
Name: | AMTX_Disclosure1.NotesOfActivitiesAndSummaryOfSignificantAccountingPoliciesTablesAbstract
Namespace Prefix: | AMTX_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration