XML 56 R44.htm IDEA: XBRL DOCUMENT
v3.21.2

Loans and Convertible Notes Payable - Summary of Various Notes Issued (Details) (Parenthetical) | 9 Months Ended
--- | ---
Sep. 30, 2021
July Two Thousand Nineteen Notes Rosalind [Member] |  |
Debt Instrument [Line Items] |  |
Maturity date | Oct. 30, 2024 | [1]
August Two Thousand Twenty One Notes Avenue [Member] |  |
Debt Instrument [Line Items] |  |
Maturity date | Aug. 01, 2024 |
[1] | 1 The notes are convertible into shares of the Company’s Series E Convertible Preferred Stock.

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=dcth_JulyTwoThousandNineteenNotesRosalindMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=dcth_AugustTwoThousandTwentyOneNotesAvenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |