XML 75 R60.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stockholders' Equity - Summary of Warrant Activity (Detail) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Warrants outstanding [Roll Forward] |  |  |
Outstanding, beginning of period (in shares) | 1,128,688 | 53,134 |
Issued (in shares) | 7,031,929 | 1,091,844 |
Exercised (in shares) | (499,633) | (13,457) |
Expired (in shares) | (444,964) | (2,833) |
Outstanding, end of period (in shares) | 7,216,020 | 1,128,688 | 53,134
Warrants, Weighted Average Exercise Price [Roll Forward] |  |  |
Weighted average remaining life | 5 years 7 months 2 days | 2 years 1 month 28 days | 2 years 9 months 11 days
Outstanding, beginning of period (in dollars per share) | $ 16.02 | $ 86.69 |
Issued (in dollars per share) | 4.80 | 12.80 |
Exercised (in dollars per share) | 2.75 | 13.12 |
Expired (in dollars per share) | 5.68 | 13.12 |
Outstanding, end of period (in dollars per share) | 5.20 | 16.02 | $ 86.69
Minimum [Member] |  |  |
Warrants, Exercise Price per Share [Roll Forward] |  |  |
Outstanding, (in dollars per share) | 1.61 | 11.84 | 28
Maximum [Member] |  |  |
Warrants, Exercise Price per Share [Roll Forward] |  |  |
Outstanding, (in dollars per share) | $ 112.64 | $ 112.64 | $ 112.64

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightExercisePricePerShareRollForward
Namespace Prefix: | dcth_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of each class of warrants or rights exercised during the period. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightExercisesInPeriod
Namespace Prefix: | dcth_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of each class of warrants or rights that expired during the period. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightExpiredInPeriod
Namespace Prefix: | dcth_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of each class of warrants or rights issued during the period. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightIssued
Namespace Prefix: | dcth_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price for warrants or rights outstanding. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightWeightedAverageExercisePrice
Namespace Prefix: | dcth_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average exercise price for warrants or rights to acquire and convert their warrants into shares that were exercised during the period. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightWeightedAverageExercisePriceExercisesInPeriod
Namespace Prefix: | dcth_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price per share for warrants or rights for securities that expired in period. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightWeightedAverageExercisePriceExpirationsInPeriod
Namespace Prefix: | dcth_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price for the number of warrants or rights issued for the unvested, forfeitable warrants or rights in period. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightWeightedAverageExercisePriceIssued
Namespace Prefix: | dcth_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightWeightedAverageExercisePriceRollForward
Namespace Prefix: | dcth_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price for warrants or rights outstanding. + References No definition available. + Details
Name: | dcth_ClassOfWarrantOrRightWeightedAverageRemainingContractualTerm
Namespace Prefix: | dcth_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | dcth_WarrantsOutstandingRollForward
Namespace Prefix: | dcth_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |