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