Area of property subject to lease.

No definition available.

Name:	axgn_AreaOfLeaseProperty
Namespace Prefix:	axgn_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Lessee, Operating Lease, Number of Months Of Free Rent Pursuant To Lease Amendment

+ References

No definition available.

+ Details

Name:	axgn_LesseeOperatingLeaseNumberOfMonthsOfFreeRentPursuantToLeaseAmendment
Namespace Prefix:	axgn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the incremental borrowing rate under the operating leases.

+ References

No definition available.

+ Details

Name:	axgn_OperatingLeaseIncrementalBorrowingRate
Namespace Prefix:	axgn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of lessor allowance to be used towards the hard and soft costs of tenant improvements under the operating leases.

+ References

No definition available.

+ Details

Name:	axgn_OperatingLeaseLessorAllowance
Namespace Prefix:	axgn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

Name:	us-gaap_OperatingLeaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

- Definition

Carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_TenantImprovements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=axgn_HeightsUnionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=axgn_CorporateHeadquartersFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Leases Narrative (Details) ft² in Thousands, $ in Thousands	Jul. 12, 2021	Aug. 28, 2020 USD ($)	Sep. 30, 2021 USD ($) ft²	Jul. 13, 2021 USD ($) ft²	Dec. 31, 2020 USD ($)	Sep. 20, 2018 ft²
Commitments and Contingencies
Tenant improvements		$ 12,149
Operating lease right-of-use assets			$ 15,588		$ 15,614
Heights Union
Commitments and Contingencies
Area of lease property \| ft²			75,000			75,000
Operating lease, lessor allowance		$ 5,250
Operating lease, incremental borrowing rate		10.60%
Operating lease right-of-use assets		$ 13,323
Operating Lease, Liability		$ 18,573
Number of months of free rent pursuant to lease amendment	1 month 15 days
Corporate Headquarters Facility
Commitments and Contingencies
Area of lease property \| ft²				19,000
Operating lease right-of-use assets				$ 1,303
Operating Lease, Liability				$ 1,303