XML 92 R75.htm IDEA: XBRL DOCUMENT v3.8.0.1

Income Taxes - Summary of Change in Valuation Allowance (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Beginning balance	$ 7,094	$ 83,680
Charged to costs and expenses	(1,423)	(75,407)	$ 2,649
Charged to additional paid-in capital		(1,854)
Charged to retained earnings		1,010
Charged to other comprehensive income	301	(335)
Ending balance	$ 5,972	$ 7,094	$ 83,680

X

- Definition

Valuation allowance deferred tax asset change in amount charged to additional paid in capital.

+ References

No definition available.

+ Details

Name:	dcth_ValuationAllowanceDeferredTaxAssetChangeInAmountChargedToAdditionalPaidInCapital
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 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

Valuation allowance deferred tax asset change in amount charged to retained earnings.

+ References

No definition available.

+ Details

Name:	dcth_ValuationAllowanceDeferredTaxAssetChangeInAmountChargedToRetainedEarnings
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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

+ Details

Name:	us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration