XML 72 R61.htm IDEA: XBRL DOCUMENT v3.10.0.1

Subsequent Events - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended	9 Months Ended
	Nov. 06, 2018	Oct. 06, 2018	Nov. 08, 2018	Sep. 30, 2018	Nov. 05, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Preferred stock, par value				$ 0.01		$ 0.01
Warrants exercised				74,010
Subsequent Event [Member]
Subsequent Event [Line Items]
Repayments of outstanding notes		$ 4.9
Subsequent Event [Member] | Pre-Funded Series D Warrants [Member]
Subsequent Event [Line Items]
Warrants exercised			3,300,000
Subsequent Event [Member] | Securities Purchase Agreement [Member]
Subsequent Event [Line Items]
Series D preferred stock convert into common stock price per share	$ 0.61
Subsequent Event [Member] | Series D Preferred Stock [Member]
Subsequent Event [Line Items]
Preferred stock, par value					$ 0.01
Subsequent Event [Member] | Series D Preferred Stock [Member] | Securities Purchase Agreement [Member]
Subsequent Event [Line Items]
Preferred stock, shares issued	85
Preferred stock, shares purchase price per share	$ 10,000

X

- Definition

The number of each class of warrants or rights exercised during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	dcth_
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Balance Type:	na
Period Type:	duration

X

- Definition

Preferred stock convertible into common stock conversion price.

+ References

No definition available.

+ Details

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Namespace Prefix:	dcth_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

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 http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

X

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

X

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
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Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TransactionTypeAxis=dcth_SecuritiesPurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: