XML 45 R35.htm IDEA: XBRL DOCUMENT v3.24.0.1

Equity Plans and Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2023

Share-Based Payment Arrangement, Noncash Expense [Abstract]

Summary of Option Activity Under Stock-Based Compensation Plans

The following table summarizes the activity of stock options for the year ended December 31, 2023:

		Shares Underlying Outstanding Options (in thousands)				Weighted-Average Exercise Price Per Share				Weighted-Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (in thousands)
Balance at December 31, 2022			9,339			$	10.70				4.61			$	16,291
Options granted			1,982				11.17
Options exercised			(850	)			7.48
Options cancelled:
Options forfeited (unvested)			(90	)			10.93
Options expired (vested)			(261	)			21.39
Balance at December 31, 2023			10,120			$	10.78				4.18			$	37,388
Vested and expected to vest at December 31, 2023			9,976			$	10.77				4.15			$	37,024
Exercisable at December 31, 2023			7,014			$	10.40				3.50			$	29,613

Summary of Non-vested Restricted Stock Units Activity

The following table summarizes the activity of RSUs for the year ended December 31, 2023:

	Number of Shares (In thousands)				Weighted-Average Grant-Date Fair Value
Non-vested as of December 31, 2022		3,479			$	11.00
Granted		2,748				11.48
Vested (1)		(1,515	)			10.13
Forfeited		(267	)			11.45
Non-vested as of December 31, 2023		4,445			$	11.57

(1) Inclusive of approximately 600,145 RSUs for the year ended December 31, 2023, which were not converted into shares due to net share settlement in order to cover the required amount of employee withholding taxes. The value of the withheld shares was classified as a reduction to additional paid-in capital.

Summary of Performance Based Restricted Stock Unit

The summary of PSU activities for the year ended December 31, 2023 is as follows:

		Number of Shares (in thousands)				Weighted-Average Grant-Date Fair Value Per Share
Non-vested as of December 31, 2022			193			$	11.62
Granted			364				18.25
Non-vested as of December 31, 2023			557			$	15.95

Summary of Fair Value-Based Measurements and Weighted-Average Assumptions

The weighted-average assumptions used in the calculations of these fair value measurements are as follows:

		Stock Options												Market-Based Performance Stock Units												Employee Stock Purchase Plan
		Year Ended December 31,												Year Ended December 31,												Year Ended December 31,
		2023				2022				2021				2023				2022				2021				2023				2022				2021
Weighted-average fair value		$	7.32			$	7.95			$	7.17			$	18.25			$	11.62			$	8.40			$	5.35			$	7.37			$	6.48
Risk-free interest rate			4.0	%			2.0	%			0.7	%			4.3	%			1.7	%		From 0.03% to 1.92%					4.9	%			2.1	%			0.1	%
Expected life (in years)			4.5				4.5				4.5				2.9				2.9				2.9				1.3				1.3				1.2
Expected volatility			0.8				0.8				0.9				0.9				0.9				0.9				0.7				1.0				1.0

Summary of Stock-Based Compensation Expense

The following table summarizes stock-based compensation expense recorded in each component of operating expenses in our consolidated statements of operations, and amounts capitalized to our inventories (in thousands):

		Year Ended December 31,
		2023				2022				2021
Employees and directors stock-based compensation expense		$	42,592			$	32,915			$	21,285
		Year Ended December 31,
		2023				2022				2021
Research and development		$	9,285			$	5,954			$	3,818
Selling, general and administrative			29,069				23,118				14,894
Cost of sales - product			1,839				1,123				553
Inventories			2,399				2,720				2,020
Total		$	42,592			$	32,915			$	21,285

X

- Definition

Summary of performance based restricted stock unit.

+ References

No definition available.

+ Details

Name:	dvax_ScheduleOfPerformanceBasedRestrictedStockUnitTableTextBlock
Namespace Prefix:	dvax_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (f)(2)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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