XML 65 R52.htm IDEA: XBRL DOCUMENT
v3.23.1

Stockholders' Equity - Equity Offerings and Placements - Additional Information (Details) $ in Millions | Mar. 29, 2023 USD ($) shares | Mar. 31, 2023
--- | --- | ---
Stockholders Equity Note [Line Items] |  |
Deferred revenue | $ 10.0 |
Black Scholes Valuation Technique [Member] | Measurement Input, Price Volatility [Member] |  |
Stockholders Equity Note [Line Items] |  |
Volatility |  | 100
Tranche A Warrants [Member] | Common Purchase Agreement [Member] |  |
Stockholders Equity Note [Line Items] |  |
Aggregate exercise price of preferred warrants | $ 0.1 |
Number of exercisable common warrants | shares | 31,110 |
Tranche B Warrants [Member] | Common Purchase Agreement [Member] |  |
Stockholders Equity Note [Line Items] |  |
Aggregate exercise price of preferred warrants | $ 0.1 |
Number of exercisable common warrants | shares | 16,666 |

X
- Definition Aggregate exercise price of preferred warrants. + References No definition available. + Details
Name: | dcth_AggregateExercisePriceOfPreferredWarrants
Namespace Prefix: | dcth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of exercisable common warrants. + References No definition available. + Details
Name: | dcth_NumberOfExercisableCommonWarrants
Namespace Prefix: | dcth_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stockholders equity note. + References No definition available. + Details
Name: | dcth_StockholdersEquityNoteLineItems
Namespace Prefix: | dcth_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(26)(c)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=dcth_BlackScholesValuationTechniqueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=dcth_TrancheAWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=dcth_TrancheBWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |