XML 30 R36.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Fair Value Measurements (Details) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2014 Input
Derivative warrant liability [Abstract] |  |
Number of inputs used for valuation of warrants |  | 6
Pre Tax Derivative Instrument Income | $ 500,000 | $ 1,600,000
Hypothetical change in market price of common shares (in hundredths) |  | 10.00%
Impact of the hypothetical change in market price of common shares on derivative liability |  | 100,000
Fair Value Measurements Using Significant Unobservable Inputs (Level 3) [Roll Forward] |  |
Beginning balance as of December 31, 2013 |  | 2,310,000
Total change in the fair value of the liability included in earnings, including warrant expirations |  | (1,612,000)
Fair value of warrants exercised |  | (143,000)
Ending balance as of September 30, 2014 | 555,000 | 555,000
Recurring [Member] | Warrant liability [Member] |  |
Liabilities [Abstract] |  |
Total Liabilities | 555,000 | 555,000
Recurring [Member] | Warrant liability [Member] | Level 1 [Member] |  |
Liabilities [Abstract] |  |
Total Liabilities | 0 | 0
Recurring [Member] | Warrant liability [Member] | Level 2 [Member] |  |
Liabilities [Abstract] |  |
Total Liabilities | 0 | 0
Recurring [Member] | Warrant liability [Member] | Level 3 [Member] |  |
Liabilities [Abstract] |  |
Total Liabilities | 555,000 | 555,000
Recurring [Member] | Money market funds [Member] |  |
Assets [Abstract] |  |
Total Assets | 1,945,000 | 1,945,000
Recurring [Member] | Money market funds [Member] | Level 1 [Member] |  |
Assets [Abstract] |  |
Total Assets | 1,945,000 | 1,945,000
Recurring [Member] | Money market funds [Member] | Level 2 [Member] |  |
Assets [Abstract] |  |
Total Assets | 0 | 0
Recurring [Member] | Money market funds [Member] | Level 3 [Member] |  |
Assets [Abstract] |  |
Total Assets | $ 0 | $ 0
2012 Warrants [Member] |  |
Derivative warrant liability [Abstract] |  |
Expected volatility (in hundredths) |  | 77.31%
Risk-free interest rates (in hundredths) |  | 0.08%
Expected life (in years) |  | 0 years 8 months 1 day
2013 Warrants [Member] |  |
Derivative warrant liability [Abstract] |  |
Expected volatility (in hundredths) |  | 90.32%
Risk-free interest rates (in hundredths) |  | 1.43%
Expected life (in years) |  | 4 years 0 months 29 days

X
- Details
Name: | dcth_DerivativeWarrantLiabilityAbstract
Namespace Prefix: | dcth_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The hypothetical change in market price of common shares during the period. + References No definition available. + Details
Name: | dcth_HypotheticalChangeInMarketPriceOfCommonShares
Namespace Prefix: | dcth_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The impact of the hypothetical change in market price of common shares on derivative liability during the period. + References No definition available. + Details
Name: | dcth_ImpactOfHypotheticalChangeInMarketPriceOfCommonSharesOnDerivativeLiability
Namespace Prefix: | dcth_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the number of inputs used for valuation of warrants. + References No definition available. + Details
Name: | dcth_NumberOfInputsUsedForValuationOfWarrants
Namespace Prefix: | dcth_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the pre-tax derivative instrument income. + References No definition available. + Details
Name: | dcth_PreTaxDerivativeInstrumentIncome
Namespace Prefix: | dcth_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssumptionsExpectedTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssumptionsExpectedVolatilityRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Risk-free interest rate assumption used in valuing an instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssumptionsRiskFreeInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration