XML 63 R50.htm IDEA: XBRL DOCUMENT
v3.23.1

Stockholders' Equity - Preferred Stock Issuances - Additional Information (Details) - $ / shares | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 10,000,000 | 10,000,000
Preferred stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized (in shares) | 40,000,000 | 40,000,000
Preferred stock, shares outstanding (in shares) | 11,357 | 11,357
Series A Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 4,200 |
Series B Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 2,360 |
Series C Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 590 |
Series D Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 10,000 |
Series E Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 40,000 |
Preferred stock, shares outstanding (in shares) | 11,357 |
Series E1 Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 12,960 |
Series F-1 Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 24,900 |
Series F-2 Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 24,900 |
Series F-3 Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 34,860 |
Series F-4 Preferred Stock [Member] |  |
Stockholders Equity Note [Line Items] |  |
Preferred stock, shares authorized (in shares) | 24,900 |

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 Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 + Details
Name: | us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_PreferredStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_PreferredStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesCPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesDPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesEPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=dcth_SeriesE1PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=dcth_SeriesF1PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=dcth_SeriesF2PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=dcth_SeriesF3PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=dcth_SeriesF4PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |