XML 70 R59.htm IDEA: XBRL DOCUMENT v3.21.1

Subsequent Event - Additional Information (Detail) - CEPI Member - Reservation Agreement - USD ($)	May 03, 2021	Mar. 31, 2021
Subsequent Event [Line Items]
Interest- free unsecured forgivable loan		$ 99,000.0
Subsequent Event
Subsequent Event [Line Items]
Increase in interest free unsecured forgiveable loan maximum borrowing capacity	$ 77,400
Interest free unsecured forgiveable loan Maximum borrowing capacity	$ 176,400

X

- Definition

Forgivable loan.

+ References

No definition available.

+ Details

Name:	dvax_ForgivableLoan
Namespace Prefix:	dvax_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Increase In Interest Free Unsecured Forgiveable Loan Maximum Borrowing Capacity.

+ References

No definition available.

+ Details

Name:	dvax_IncreaseInInterestFreeUnsecuredForgiveableLoanMaximumBorrowingCapacity
Namespace Prefix:	dvax_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Interest Free Unsecured Forgiveable Loan Maximum Borrowing Capacity .

+ References

No definition available.

+ Details

Name:	dvax_InterestFreeUnsecuredForgiveableLoanMaximumBorrowingCapacity
Namespace Prefix:	dvax_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_CounterpartyNameAxis=dvax_CoalitionForEpidemicPreparednessInnovationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=dvax_ReservationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: