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Commitments - Schedule Future Minimum Lease Payments, Net of Receipts Due Under Terms of Subleases Under All Operating Leases (Details) $ in Thousands | Dec. 31, 2020 USD ($)
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Future minimum lease payments under all operating leases [Abstract] |
2021 | $ 419
2022 | 406
2023 | $ 68

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- Definition Operating lease liability future minimum sublease rentals. + References No definition available. + Details
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Namespace Prefix: | dcth_
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- Definition Operating lease liability future minimum sublease rentals due. + References No definition available. + Details
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Namespace Prefix: | dcth_
Data Type: | xbrli:monetaryItemType
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- Definition Operating lease liability future minimum sublease rentals due next twelve months. + References No definition available. + Details
Name: | dcth_OperatingLeaseLiabilityFutureMinimumSubleaseRentalsDueNextTwelveMonths
Namespace Prefix: | dcth_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Operating lease liability future minimum sublease rentals due year two. + References No definition available. + Details
Name: | dcth_OperatingLeaseLiabilityFutureMinimumSubleaseRentalsDueYearTwo
Namespace Prefix: | dcth_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant