XML 41 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Business Description, Basis of Presentation and Liquidity (Narrative) (Details) (USD $) | 9 Months Ended
--- | ---
Jun. 30, 2014 M
Business Description, Basis Of Presentation And Liquidity 1 | $ 10,000,000
Business Description, Basis Of Presentation And Liquidity 2 | 12
Business Description, Basis Of Presentation And Liquidity 3 | 77,905,632
Business Description, Basis Of Presentation And Liquidity 4 | 4,175,513

X
- Definition Business Description, Basis Of Presentation And Liquidity 2 + References No definition available. + Details
Name: | avxl_BusinessDescriptionBasisOfPresentationAndLiquidityZeroTwoThreeSixZeroZerobPbqOneqSevenPgSevenJT
Namespace Prefix: | avxl_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business Description, Basis Of Presentation And Liquidity 3 + References No definition available. + Details
Name: | avxl_BusinessDescriptionBasisOfPresentationAndLiquidityZeroTwoThreeSixZeroZeroNineWPZzFZngTwosL
Namespace Prefix: | avxl_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business Description, Basis Of Presentation And Liquidity 1 + References No definition available. + Details
Name: | avxl_BusinessDescriptionBasisOfPresentationAndLiquidityZeroTwoThreeSixZeroZeroPLFivelVSevenhLThreeCbz
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business Description, Basis Of Presentation And Liquidity 4 + References No definition available. + Details
Name: | avxl_BusinessDescriptionBasisOfPresentationAndLiquidityZeroTwoThreeSixZeroZerowyTqbmThreenBNineQN
Namespace Prefix: | avxl_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration