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Schedule of Share-based Compensation, Stock Options, Activity (Details) (USD $) | 6 Months Ended
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Mar. 31, 2015
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 1 | $ 3,075,000 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroHJfKRJkyRpTq
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 2 | 1.26 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZerolkwrFourdKJFiveBEightJ
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 3 | (705,000)avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeromSLGLgKPtZerofn
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 4 | 2.70 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroFVgLTwoXxkVDwQ
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 5 | 800,000 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroWMThreeKQJzZEightHZeroB
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 6 | 0.32 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroFStnZXTWnDZw
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 7 | 0.25 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeronBttwrfThreefqxq
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 8 | 3,170,000 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroNinecVzvSPJRTFourR
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 9 | 0.70 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroNinenfbNJXzdzly
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 10 | 2,100,000 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroGBQMROneSnHppv
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 11 | 0.56 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroGBCSMRydTywS
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 12 | $ 2,100,000 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroKQdFHdJGmBCX
Commitments Schedule Of Share-based Compensation, Stock Options, Activity 13 | 0.56 avxl_ScheduleOfSharebasedCompensationStockOptionsActivityZeroTwoEightOneOneZeroxVVSixqgThreeFouryFRy

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- Definition Commitments Schedule Of Share-based Compensation, Stock Options, Activity 6 + References No definition available. + Details
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- Definition Commitments Schedule Of Share-based Compensation, Stock Options, Activity 4 + References No definition available. + Details
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- Definition Commitments Schedule Of Share-based Compensation, Stock Options, Activity 11 + References No definition available. + Details
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- Definition Commitments Schedule Of Share-based Compensation, Stock Options, Activity 1 + References No definition available. + Details
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- Definition Commitments Schedule Of Share-based Compensation, Stock Options, Activity 12 + References No definition available. + Details
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- Definition Commitments Schedule Of Share-based Compensation, Stock Options, Activity 3 + References No definition available. + Details
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- Definition Commitments Schedule Of Share-based Compensation, Stock Options, Activity 7 + References No definition available. + Details
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- Definition Commitments Schedule Of Share-based Compensation, Stock Options, Activity 5 + References No definition available. + Details
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- Definition Commitments Schedule Of Share-based Compensation, Stock Options, Activity 13 + References No definition available. + Details
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