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Capital Stock (Narrative) (Details) (USD $) | 12 Months Ended
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Sep. 30, 2014 Y
Capital Stock 1 | 150,000,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeyvBThreeSevenWTwodkbqFour
Capital Stock 2 | 120,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreezCdHHCFiveQwWJZ
Capital Stock 3 | $ 0.50 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeNTwoXbTPZSixSixfmTwo
Capital Stock 4 | $ 60,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeLlFlhPnltNineKW
Capital Stock 5 | $ 1.00 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeLZHpEightWdZWCDx
Capital Stock 6 | 500,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeSevenpZLXgMWnZtg
Capital Stock 7 | $ 0.30 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeTSevenHJTTzvggsThree
Capital Stock 8 | 150,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreexQSixfSFivevBQxFiveG
Capital Stock 9 | $ 0.75 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreehDzJFiveXVxMzGh
Capital Stock 10 | 4,208,910 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreelPrmKQwcCzpt
Capital Stock 11 | 549,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeTwoTwoSqCGWpZLDc
Capital Stock 12 | 26,058 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeTTvqXxlNQZeroxSeven
Capital Stock 13 | 1,108,506 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreebWWQRFqFhVnT
Capital Stock 14 | $ 0.75 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeBcMNCHTwocnOnehEight
Capital Stock 15 | 2,196,133 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreehTwodHEightkgxlOneSH
Capital Stock 16 | $ 0.40 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreerOneSevenNHPZGZeroJThreeD
Capital Stock 17 | 878,453 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeVMbwdThreeQSixqgmr
Capital Stock 18 | $ 0.75 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreepNOneJmGKXgXXV
Capital Stock 19 | 313,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeyXTMvQFoursBThreeRP
Capital Stock 20 | 565,453 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeNinegZHHDOneWSixTcN
Capital Stock 21 | 313,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreehNinelFiveFiveWFivegRKhC
Capital Stock 22 | 0.28%avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeMHPzSixDyGmGSixFive
Capital Stock 23 | 1.49 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeGzsKbvPEightwVzc
Capital Stock 24 | 81.57%avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreezLfHRwtZeroNineKSixP
Capital Stock 25 | 0.00%avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreerpzTTwopCLBEightFourr
Capital Stock 26 | 95,680 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeZrGfnmgxFiveSdr
Capital Stock 27 | 89,680 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeMGmfZThreeBVKVhD
Capital Stock 28 | 6,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeJQFiveEightgNkBdwNineQ
Capital Stock 29 | 43,923 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreebwxpbCBqKrtC
Capital Stock 30 | $ 0.75 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreetLpczyxnOneNKOne
Capital Stock 31 | 6,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreedLLcBgHFourlnTq
Capital Stock 32 | 0.28%avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeglNFourJNinewNineThreeOnebx
Capital Stock 33 | 1.49 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreexxPZTTwoGEightWWWz
Capital Stock 34 | 81.57%avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeLEightdKOneJdcVFzSeven
Capital Stock 35 | 0.00%avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreefOneSVtWKTcThreeVd
Capital Stock 36 | 16,494 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeMGfCzRVhThreemkNine
Capital Stock 37 | $ 30,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeFiveSixpWSQSevenzDZerogy
Capital Stock 38 | 100,000 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreefZeroFxSZbBhgrV
Capital Stock 39 | $ 0.30 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeFourFiveFourZFivekgqvZerowx
Capital Stock 40 | $ 0.75 avxl_CapitalStockZeroTwoSixFourOneThreeOneTwoThreeyqyWnFiveSixZHFourZw

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