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Commitments and Contingencies - Service Agreements (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2011 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Tissue Processing Agreement [Member] |  |  |  |
Service Agreements |  |  |  |
License fee amount |  | $ 2,148 | $ 1,931 | $ 1,409
Master Services Agreement For Clinical Research and Related Services [Member] |  |  |  |
Service Agreements |  |  |  |
Service agreement amount paid upon execution of agreement | $ 151 |  |  |

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

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- 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

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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_TissueProcessingAgreementMember
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: |