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Commitments and Contingencies - Service Agreements Narrative (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Aug. 06, 2015 | Dec. 31, 2011 | Mar. 31, 2021 | Mar. 31, 2020
CTS Agreement |  |  |  |
Service Agreements |  |  |  |
Service agreement term | 5 years |  |  |
License fee amount |  |  | $ 643 | $ 506
Master Services Agreement For Clinical Research and Related Services |  |  |  |
Service Agreements |  |  |  |
Service agreement amount paid upon execution of agreement |  | $ 151 |  |
Payments made under agreement |  |  | $ 278 | $ 516

X
- Definition License fee amount + References No definition available. + Details
Name: | axgn_LicenseFeeAmount
Namespace Prefix: | axgn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of service fees paid under master service agreement. + References No definition available. + Details
Name: | axgn_PaymentForServiceFees
Namespace Prefix: | axgn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Service agreement amount paid upon execution of agreement + References No definition available. + Details
Name: | axgn_ServiceAgreementAmountPaidUponExecutionOfAgreement
Namespace Prefix: | axgn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Service Agreement Term + References No definition available. + Details
Name: | axgn_ServiceAgreementTerm
Namespace Prefix: | axgn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- 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_PurchaseCommitmentExcludingLongtermCommitmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=axgn_CommunityTissuesServicesAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=axgn_MasterServicesAgreementForClinicalResearchAndRelatedServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |