XML 69 R59.htm IDEA: XBRL DOCUMENT
v3.24.3

Significant agreements - Cancer Research UK (Details) - USD ($) $ in Millions |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 13, 2016 | Dec. 31, 2019 | Sep. 30, 2024 | Dec. 31, 2023
Research and development arrangement obligation to repay other parties |  |  |  |
Contingent future milestones payments under research and development arrangement | $ 50.9 | $ 60.3 |  |
Other long term liabilities |  |  |  |
Research and development arrangement obligation to repay other parties |  |  |  |
Liability from research and development |  |  | $ 4.7 | $ 4.3
BT1718 | Minimum |  |  |  |
Research and development arrangement obligation to repay other parties |  |  |  |
Tiered royalties (percentage) | 70.00% |  |  |
BT1718 | Maximum |  |  |  |
Research and development arrangement obligation to repay other parties |  |  |  |
Tiered royalties (percentage) | 90.00% |  |  |
BT7401 | Minimum |  |  |  |
Research and development arrangement obligation to repay other parties |  |  |  |
Tiered royalties (percentage) |  | 55.00% |  |
BT7401 | Maximum |  |  |  |
Research and development arrangement obligation to repay other parties |  |  |  |
Tiered royalties (percentage) |  | 80.00% |  |

X
- Definition Percentage of tiered royalty on net revenue. + References No definition available. + Details
Name: | bcyc_PercentageOfTieredRoyaltyOnNetRevenue
Namespace Prefix: | bcyc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the liability recorded for research and development arrangement. + References No definition available. + Details
Name: | bcyc_ResearchAndDevelopmentArrangementLiabilityToRepayOtherParties
Namespace Prefix: | bcyc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents payments due upon achievement of milestones under a Research and Development arrangement. + References No definition available. + Details
Name: | bcyc_ResearchAndDevelopmentArrangementObligationToRepayOtherParties
Namespace Prefix: | bcyc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bcyc_ResearchAndDevelopmentArrangementObligationToRepayOtherPartiesAbstract
Namespace Prefix: | bcyc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=bcyc_CancerResearchUkBtOneSevenOneEightMember
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: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=bcyc_CancerResearchUkBtSevenFourZeroOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |