XML 20 R30.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Supplemental Cash Flow Information (Narrative) (Details) (USD $) | 6 Months Ended
--- | ---
Mar. 31, 2015
Supplemental Cash Flow Information 1 | 15,673,912 avxl_SupplementalCashFlowInformationZeroTwoEightOneOneZeroZFourryKNineGpSevenVVX
Supplemental Cash Flow Information 2 | $ 0.25 avxl_SupplementalCashFlowInformationZeroTwoEightOneOneZeroTpTyFiveSixNTwNFiveG
Supplemental Cash Flow Information 3 | $ 3,931,000 avxl_SupplementalCashFlowInformationZeroTwoEightOneOneZeroSrOnerGZeroMZerofpwS
Supplemental Cash Flow Information 4 | $ 221,000 avxl_SupplementalCashFlowInformationZeroTwoEightOneOneZeroHxfOneRPNfSixdsb

X
- Definition Supplemental Cash Flow Information 4 + References No definition available. + Details
Name: | avxl_SupplementalCashFlowInformationZeroTwoEightOneOneZeroHxfOneRPNfSixdsb
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Supplemental Cash Flow Information 3 + References No definition available. + Details
Name: | avxl_SupplementalCashFlowInformationZeroTwoEightOneOneZeroSrOnerGZeroMZerofpwS
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Supplemental Cash Flow Information 2 + References No definition available. + Details
Name: | avxl_SupplementalCashFlowInformationZeroTwoEightOneOneZeroTpTyFiveSixNTwNFiveG
Namespace Prefix: | avxl_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Supplemental Cash Flow Information 1 + References No definition available. + Details
Name: | avxl_SupplementalCashFlowInformationZeroTwoEightOneOneZeroZFourryKNineGpSevenVVX
Namespace Prefix: | avxl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration