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Summary of Revenue Recognized under Various Agreements (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014 | Mar. 31, 2014 | Dec. 31, 2011
Product Information [Line Items] |  |  |  |
Performance of research activities |  | $ 8,000 us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized | $ 5,400 us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized | $ 3,000 us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized
Total revenues | 627 us-gaap_Revenues |  | 3,498 us-gaap_Revenues |
Grant revenue | 148 us-gaap_RevenueFromGrants |  | 1,125 us-gaap_RevenueFromGrants |
National Institute of Allergy and Infectious Diseases |  |  |  |
Product Information [Line Items] |  |  |  |
Grant revenue |  |  | 874 us-gaap_RevenueFromGrants / us-gaap_CounterpartyNameAxis = dvax_NationalInstituteOfAllergyAndInfectiousDiseasesMember |
National Institutes of Health |  |  |  |
Product Information [Line Items] |  |  |  |
Grant revenue | 148 us-gaap_RevenueFromGrants / us-gaap_CounterpartyNameAxis = dvax_NationalInstitutesOfHealthMember |  | 251 us-gaap_RevenueFromGrants / us-gaap_CounterpartyNameAxis = dvax_NationalInstitutesOfHealthMember |
Astra Zeneca |  |  |  |
Product Information [Line Items] |  |  |  |
Initial payment | 63 us-gaap_DeferredRevenueAdditions / us-gaap_TypeOfArrangementAxis = dvax_AstraZenecaMember |  | 180 us-gaap_DeferredRevenueAdditions / us-gaap_TypeOfArrangementAxis = dvax_AstraZenecaMember |
Subsequent payment | 237 dvax_SubsequentPayment / us-gaap_TypeOfArrangementAxis = dvax_AstraZenecaMember |  | 675 dvax_SubsequentPayment / us-gaap_TypeOfArrangementAxis = dvax_AstraZenecaMember |
Performance of research activities | 171 us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized / us-gaap_TypeOfArrangementAxis = dvax_AstraZenecaMember |  | 887 us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized / us-gaap_TypeOfArrangementAxis = dvax_AstraZenecaMember |
Total revenues | $ 471 us-gaap_Revenues / us-gaap_TypeOfArrangementAxis = dvax_AstraZenecaMember |  | $ 1,742 us-gaap_Revenues / us-gaap_TypeOfArrangementAxis = dvax_AstraZenecaMember |

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- Definition Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 13 -Section A + Details
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