XML 69 R56.htm IDEA: XBRL DOCUMENT v3.21.2

Outstanding Stock Options and Stock Awards Excluded from Calculation of Net Loss Per Share (Detail) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Outstanding securities not included in diluted net income (loss) per share calculation:
Outstanding securities not included in diluted net loss per share calculation	32,362,000	15,124,000	32,712,000	15,124,000
Warrants
Outstanding securities not included in diluted net income (loss) per share calculation:
Outstanding securities not included in diluted net loss per share calculation	4,895,000	0	4,895,000	0
Stock Options and Stock Awards
Outstanding securities not included in diluted net income (loss) per share calculation:
Outstanding securities not included in diluted net loss per share calculation	5,924,000	10,984,000	6,274,000	10,984,000
Convertible Notes
Outstanding securities not included in diluted net income (loss) per share calculation:
Outstanding securities not included in diluted net loss per share calculation	21,543,000	0	21,543,000	0
Series B Convertible Preferred Stock
Outstanding securities not included in diluted net income (loss) per share calculation:
Outstanding securities not included in diluted net loss per share calculation	0	4,140,000	0	4,140,000

X

- Definition

Antidilutive securities excluded from computation of earning per share.

+ References

No definition available.

+ Details

Name:	dvax_AntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareAbstract
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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

+ Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_ConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: