XML 61 R46.htm IDEA: XBRL DOCUMENT
v3.20.1

Commitments and Contingencies - (Tradipitant) - Additional Information (Detail) - Tradipitant - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 96 Months Ended
--- | --- | --- | ---
Jul. 31, 2018 | Mar. 31, 2020 | Mar. 31, 2020
Commitments and Contingencies [Line Items] |  |  |
Future percentage of royalty payments based net sales |  | low double digits |
Development and milestone obligations paid to third party | $ 2.0 |  | $ 3.0
Possible future milestone payment |  | $ 2.0 |
Sales Milestone |  |  |
Commitments and Contingencies [Line Items] |  |  |
Possible future milestone payment |  | 80.0 |
UNITED STATES | Regulatory Approval Milestone |  |  |
Commitments and Contingencies [Line Items] |  |  |
Possible future milestone payment |  | 10.0 |
Europe | Regulatory Approval Milestone |  |  |
Commitments and Contingencies [Line Items] |  |  |
Possible future milestone payment |  | $ 5.0 |

X
- Definition Commitments and contingencies. + References No definition available. + Details
Name: | vnda_CommitmentsAndContingenciesLineItems
Namespace Prefix: | vnda_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Development And Milestone Obligations Paid To Third Party + References No definition available. + Details
Name: | vnda_DevelopmentAndMilestoneObligationsPaidToThirdParty
Namespace Prefix: | vnda_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total amount potentially due to third party under license agreement based on achievement of pre-new drug application approval milestones. + References No definition available. + Details
Name: | vnda_DevelopmentAndMilestonePaymentsPotentiallyDueToThirdParty
Namespace Prefix: | vnda_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Future Percentage Of Royalty Payments Based On Net Sales. + References No definition available. + Details
Name: | vnda_FuturePercentageOfRoyaltyPaymentsBasedOnNetSales
Namespace Prefix: | vnda_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |