XML 100 R85.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Income Taxes - Schedule of Change in Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Change in Deferred Tax Assets [Roll Forward] |  |
Beginning Balance | $ 39,301 | $ 32,344
Charged to costs and expenses | 3,028 | 7,099
Charged to other comprehensive income | (256) | (142)
Ending balance | $ 42,073 | $ 39,301

X
- Definition Change in Deferred Tax Assets + References No definition available. + Details
Name: | dcth_ChangeInDeferredTaxAssetsRollForward
Namespace Prefix: | dcth_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Valuation allowance deferred tax asset change in amount charged to costs and expenses. + References No definition available. + Details
Name: | dcth_ValuationAllowanceDeferredTaxAssetChangeInAmountChargedToCostsAndExpenses
Namespace Prefix: | dcth_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Valuation allowance deferred tax asset change in amount charged to other comprehensive income. + References No definition available. + Details
Name: | dcth_ValuationAllowanceDeferredTaxAssetChangeInAmountChargedToOtherComprehensiveIncome
Namespace Prefix: | dcth_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant