XML 29 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8

Derivative Liabilities (Narrative) (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013
Derivative Liabilities 1		6,448,966
Derivative Liabilities 1	6,448,966

X

- Definition

Derivative Liabilities 1

+ References

No definition available.

+ Details

Name:	avxl_DerivativeLiabilitiesZeroOneNineFourZeroZerowlbbyvTwonzktg
Namespace Prefix:	avxl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Derivative Liabilities 1

+ References

No definition available.

+ Details

Name:	avxl_DerivativeLiabilitiesZeroTwoZeroOneThreeZeroTwoSevenSixLdbfDFyKw
Namespace Prefix:	avxl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration