XML 28 R28.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Commitments and Contingencies - Additional Information (Detail) (USD $) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012
Loss Contingencies [Line Items] |  |  |  |  |
Rent expense, net | $ 600,000 | $ 400,000 | $ 1,400,000 | $ 1,300,000 |
Deferred rent | 600,000 |  | 600,000 |  | 600,000
Future payments obligation |  |  | 6,300,000 |  |
Unoccupied facility expense | $ 918,000 |  | $ 918,000 |  |
CALIFORNIA |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Operating leases expiration date |  |  | 2018-06 |  |
Dusseldorf, Germany (the "Dusseldorf Lease") |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Operating leases expiration date |  |  | 2023-03 |  |

X
- Definition Lease Expiration, Month and Year + References No definition available. + Details
Name: | dvax_LeaseExpirationMonthAndYear
Namespace Prefix: | dvax_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unoccupied facility expense. + References No definition available. + Details
Name: | dvax_UnoccupiedFacilityExpense
Namespace Prefix: | dvax_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707 + Details
Name: | us-gaap_DeferredRentCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. + References No definition available. + Details
Name: | us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
Name: | us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration