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Other Income (Details Narrative) - USD ($)	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Grant income	$ 149,055	$ 140,942	$ 141,195
Research & Development Incentive Program (Australian Government) [Member]
Grant income	1,629,513	2,022,902	571,093
Clinical Study Grant [Member]
Awarded grant funding amount	149,055
Grant income		597,886
Preclinical Study Grant [Member]
Awarded grant funding amount		$ 140,942	$ 141,195
Grant income				$ 286,455

X

- Definition

Information related to funding of deferred income awarded grant.

+ References

No definition available.

+ Details

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X

- Definition

Revenue earned during the period from non-repayable sum of money awarded to an entity to carry out a specific purpose as provided in grant agreements.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

Name:	srt_ProductOrServiceAxis=avxl_ClinicalStudyGrantMember
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Period Type:

X

- Details

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