XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.23.3

Outstanding Stock Options and Stock Awards Excluded from Calculation of Net Loss Per Share (Detail) - shares shares in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Earnings Per Share Disclosure [Line Items] |  |  |  |
Outstanding securities not included in diluted net loss per share calculation | 5,605 | 5,214 | 36,847 | 7,417
Stock Options and Stock Awards |  |  |  |
Earnings Per Share Disclosure [Line Items] |  |  |  |
Outstanding securities not included in diluted net loss per share calculation | 5,605 | 5,214 | 15,304 | 7,417
Convertible Notes |  |  |  |
Earnings Per Share Disclosure [Line Items] |  |  |  |
Outstanding securities not included in diluted net loss per share calculation | 0 | 0 | 21,543 | 0

X
- Definition Earnings per share disclosure. + References No definition available. + Details
Name: | dvax_EarningsPerShareDisclosureLineItems
Namespace Prefix: | dvax_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=dvax_StockOptionsAndShareAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_ConvertibleNotesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |