XML 30 R19.htm IDEA: XBRL DOCUMENT
v3.23.1

Equity Offerings (Details Narrative) - USD ($) |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 03, 2023 | Mar. 31, 2023 | Mar. 31, 2022 | Sep. 30, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Sales of agreement amount |  | $ 142,407,882 |  | $ 142,407,882
Fair value of the initial commitment |  | 844,500 |  |
Third-Party Payor [Member] |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Incurred expenses |  | $ 119,844 |  |
Equity Offering Sales Agreement [Member] |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Number of common stock sold |  | 0 |  |
Equity Offering Sales Agreement [Member] | Cantor Fitzgerald And Co [Member] |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Percentage of gross proceeds from sales |  | 3.00% |  |
Number of common stock sold |  |  | 1,066,389 |
Sold for gross proceeds amount |  |  | $ 14,803,464 |
Proceeds from Issuance Public Offering |  | $ 14,265,658 |  |
2019 Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member] |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Value of shares obligated to purchase | $ 150,000,000 |  |  |
Share issued for offering, shares | 75,000 | 2,159,080 | 0 |
Pro rata basic number of shares obligated to purchase | 75,000 |  |  |
Proceeds from Issuance or Sale of Equity | $ 150,000,000 |  |  |
Number of shares issued for aggregate purchase price |  | 2,075,000 | 0 |
Number of shares issued for aggregate purchase price, value |  | $ 18,152,500 | $ 0 |
Number of shares issued for commitment |  | 9,080 | 0 |
Amount of shares remain available |  | $ 131,847,500 |  | $ 0

X
- References No definition available. + Details
Name: | avxl_FairValueOfInitialCommitment
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | avxl_IncurredExpenses
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Information related to number of shares obligated to purchase prorata basic. + References No definition available. + Details
Name: | avxl_NumberOfSharesObligatedToPurchaseProrataBasic
Namespace Prefix: | avxl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents information related to percentage of gross proceeds from sales. + References No definition available. + Details
Name: | avxl_PercentageOfGrossProceedsFromSales
Namespace Prefix: | avxl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | avxl_SalesOfAgreementAmount
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | avxl_SoldForGrossProceedsAmount
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References No definition available. + Details
Name: | avxl_StockIssuedDuringPeriodSharesNewIssues3
Namespace Prefix: | avxl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References No definition available. + Details
Name: | avxl_StockIssuedDuringPeriodSharesNewIssues4
Namespace Prefix: | avxl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. + References No definition available. + Details
Name: | avxl_StockIssuedDuringPeriodValueNewIssues3
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. + References No definition available. + Details
Name: | avxl_StockIssuedDuringPeriodValueNewIssues4
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Information related to value of shares obligated to purchase initially. + References No definition available. + Details
Name: | avxl_ValueOfSharesObligatedToPurchase
Namespace Prefix: | avxl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from entity's first offering of stock to the public. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceInitialPublicOffering
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOrSaleOfEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_HealthCareOrganizationRevenueSourcesAxis=us-gaap_ThirdPartyPayorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=avxl_EquityOfferingSalesAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=avxl_CantorFitzgeraldAndCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=avxl_PurchaseAgreement1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=avxl_LincolnParkCapitalFundLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |