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Schedule of Nonvested Share Activity (Details) (USD $) | 12 Months Ended
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Sep. 30, 2014
Commitments Schedule Of Nonvested Share Activity 1 | $ 100,000 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeVZeronJqVZerokTwoEightSevenh
Commitments Schedule Of Nonvested Share Activity 2 | 100,000 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeQCmlHBhOnebXwy
Commitments Schedule Of Nonvested Share Activity 3 | 3.67 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreevlmyFourPDrsWNM
Commitments Schedule Of Nonvested Share Activity 4 | 0 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeCLpRGfVgOnednSeven
Commitments Schedule Of Nonvested Share Activity 5 | 1.50 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeDLpChccEightkhnB
Commitments Schedule Of Nonvested Share Activity 6 | 270,000 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeWNinezdDvLbZeroqSevenw
Commitments Schedule Of Nonvested Share Activity 7 | 0 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeKThreefwgNfpfZeroMFour
Commitments Schedule Of Nonvested Share Activity 8 | 3.00 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeJcGZtMFourbTqbn
Commitments Schedule Of Nonvested Share Activity 9 | 0 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreefRFourFourDTFourhhhVB
Commitments Schedule Of Nonvested Share Activity 10 | 2.36 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeDHydDrLFntmSix
Commitments Schedule Of Nonvested Share Activity 11 | 2,000,000 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreelEightSixlwmzVnSixThreeC
Commitments Schedule Of Nonvested Share Activity 12 | 2,000,000 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreesGHZeroTwoTJZeroThreeSevenZf
Commitments Schedule Of Nonvested Share Activity 13 | 0.40 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreevJDzsCSixTwoZTnx
Commitments Schedule Of Nonvested Share Activity 14 | 0 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreePFourHmFFsrgTwoHr
Commitments Schedule Of Nonvested Share Activity 15 | 8.77 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreedZxSevenNinebtmSPHSeven
Commitments Schedule Of Nonvested Share Activity 16 | 300,000 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreekTtVDBkyFivedPSeven
Commitments Schedule Of Nonvested Share Activity 17 | 0 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeRZTJWEightkbHEightSixT
Commitments Schedule Of Nonvested Share Activity 18 | 0.30 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeWbFournMtwkGRQFive
Commitments Schedule Of Nonvested Share Activity 19 | 0 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreetSixhwfbMFiveMPyThree
Commitments Schedule Of Nonvested Share Activity 20 | 9.61 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeqNinevqSeventSevenPTvZerov
Commitments Schedule Of Nonvested Share Activity 21 | 500,000 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreelRMKnwqnCEightVW
Commitments Schedule Of Nonvested Share Activity 22 | 0 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeFourZeroCPrFiveThreeMSixTwoqSeven
Commitments Schedule Of Nonvested Share Activity 23 | 0.33 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeydlFZrvSixhVnFive
Commitments Schedule Of Nonvested Share Activity 24 | 0 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreegNinehZeromHsNTlZeroq
Commitments Schedule Of Nonvested Share Activity 25 | 9.61 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreezlSFFgSevengmwDf
Commitments Schedule Of Nonvested Share Activity 26 | 3,170,000 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreecRhDxwGnhTTFive
Commitments Schedule Of Nonvested Share Activity 27 | 2,100,000 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeZFourlmPrFourFourlDSevenn
Commitments Schedule Of Nonvested Share Activity 28 | $ 0 avxl_ScheduleOfNonvestedShareActivityZeroTwoSixFourOneThreeOneTwoThreeRmXRLCsFourvpLl

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