XML 28 R47.htm IDEA: XBRL DOCUMENT v3.2.0.727

7. Outstanding Warrants (Details 1) - Warrant - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2015
Number of Warrants Outstanding, Beginning	351	351	351
Number of Warrants Granted	0	116
Number of Warrants Exercised	0	(116)
Number of Warrants Outstanding, Ending	351	351	351
Weighted Average Exercise Price Outstanding, Beginning	$ 3.05	$ 3.05	$ 3.05
Weighted Average Exercise Price Granted	0.01
Weighted Average Exercise Price Exercised	0.01	3.05
Weighted Average Exercise Price Outstanding, Ending	$ 3.05	$ 3.05	$ 3.05
Weighted Average Remaining Contractual Life (in years) Outstanding, Beginning	2 years 8 months 8 days
Weighted Average Remaining Contractual Life (in years) Outstanding, Ending	2 years 2 months 12 days	2 years 5 months 12 days

X

- Definition

NumberOfOptionsExercised

+ References

No definition available.

+ Details

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Namespace Prefix:	AMTX_
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Balance Type:	na
Period Type:	duration

X

- Definition

Custom Element.

+ References

No definition available.

+ Details

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Namespace Prefix:	AMTX_
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- Definition

Custom Element.

+ References

No definition available.

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Namespace Prefix:	AMTX_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (c)(1)(i)-(ii)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (c)(1)(i)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Balance Type:	na
Period Type:	instant

X

- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type: