XML 50 R41.htm IDEA: XBRL DOCUMENT
v3.25.3

License and Collaboration Agreements (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2022 | Jan. 31, 2019 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2023 | Dec. 31, 2022
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Agreement initial term |  | 5 years |  |  |  |  |  |
Milestone payments |  |  |  |  | $ 11,100 |  |  |
Original celltrion agreement |  |  |  |  | 87.50% |  |  |
Amended celltrion agreement |  |  |  |  | 250.00% |  |  |
Revenue recognized |  |  |  |  |  |  |  |
Research and Development Expense [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  | 70,000 |  |  |
Royalties amount |  |  | $ 6 | $ 6 | 19 | $ 19 |  |
NJCTTQ Collaboration Agreement [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  | 405,000 |  |  |
Aggregate nonrefundable amounts |  |  |  |  | 5,000 |  |  |
Royalties amount |  |  |  |  | 5,000 |  |  |
ABP-201 Collaboration and License Agreement [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  | 56,500 |  |  |
Celltrion Collaboration and License Agreement [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  | 1,750,000 |  |  |
Original celltrion agreement |  |  |  |  | $ 10,000 |  |  |
Percentage of reimbursement |  |  |  |  | 50.00% |  |  |
Celltrion Collaboration and License Agreement [Member] | Research and Development Expense [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Original celltrion agreement |  |  |  |  | $ 6,000 |  |  |
ABI [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  | 485,000 |  |  |
Minimum [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Royalties amount |  |  |  |  | $ 20 |  |  |
Amended celltrion agreement |  |  |  |  | 25.00% |  |  |
Maximum [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Royalties amount |  |  |  |  | $ 30 |  |  |
Amended celltrion agreement |  |  |  |  | 50.00% |  |  |
First Milestone [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Milestone payments | $ 2,000 |  |  |  |  |  | $ 2,000 | $ 2,000
First Milestone [Member] | Celltrion Collaboration and License Agreement [Member] |  |  |  |  |  |  |  |
License and Collaboration Agreements [Line Items] |  |  |  |  |  |  |  |
Milestone payments |  |  |  |  |  |  |  |

X
- Definition Agreement initial term. + References No definition available. + Details
Name: | abp_AgreementInitialTerm
Namespace Prefix: | abp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represent the milestone payment. + References No definition available. + Details
Name: | abp_MilestonePayments
Namespace Prefix: | abp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of non-refundable payments. + References No definition available. + Details
Name: | abp_NonRefundablePayments
Namespace Prefix: | abp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Original celltrion agreement. + References No definition available. + Details
Name: | abp_OriginalCelltrionAgreement
Namespace Prefix: | abp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage of amended celltrion agreement. + References No definition available. + Details
Name: | abp_PercentageOfAmendedCelltrionAgreement
Namespace Prefix: | abp_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of original celltrion agreement. + References No definition available. + Details
Name: | abp_PercentageOfOriginalCelltrionAgreement
Namespace Prefix: | abp_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of reimbursement. + References No definition available. + Details
Name: | abp_PercentageOfReimbursement
Namespace Prefix: | abp_
Data Type: | dtr:percentItemType
Balance Type: | na
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of cash paid for royalties during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 25 -Subparagraph (g) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-25 + Details
Name: | us-gaap_PaymentsForRoyalties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of consideration recognized during the period for the milestone or milestones. + References No definition available. + Details
Name: | us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=abp_ABP201CollaborationAndLicenseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=abp_ABIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=abp_FirstMilestoneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |