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Balance Sheet Account Details (Tables)

12 Months Ended

Dec. 31, 2022

Other Balance Sheet Details [Abstract]

Schedule of Investment Categories

Excluding our investments in Viking, the following table summarizes the various investment categories at December 31, 2022 and 2021 (in thousands):

			Cost						Gross unrealized gains						Gross unrealized losses						Estimated fair value
December 31, 2022
Short-term investments
Mutual Funds			$	81,815					$	—					$	(1050)					$	80,765
Bank deposits			5,012						2						(34)						4,980
Commercial paper			7,211						3						—						7,214
Corporate bonds			6,701						13						(58)						6,656
Corporate equity securities			5,807						262						(4,239)						1,830
U.S. government securities			2,232						—						(70)						2,162
Warrants			—						135						—						135
			$	108,778					$	415					$	(5,451)					$	103,742
December 31, 2021
Short-term investments
Mutual fund			$	152,136					$	—					$	(249)					$	151,887
Bank deposits			63,389						13						(21)						63,381
Commercial paper			36,008						2						(12)						35,998
Corporate bonds			29,308						17						(38)						29,287
Corporate equity securities			5,807						402						(2,027)						4,182
U.S. government securities			5,577						—						(23)						5,554
Warrants			—						408						—						408
			$	292,225					$	842					$	(2,370)					$	290,697

Schedule of Available-for-Sale Debt Securities by Contractual Maturity

The following table summarizes our available-for-sale debt securities by contractual maturity (in thousands):

			December 31, 2022
			Amortized Cost						Fair Value
Within one year			$	57,158					$	57,036
After one year through five years			2,794						2,769
Total			$	59,952					$	59,805

Schedule of Available-for-Sale Debt Securities in an Unrealized Loss Position

The following table summarizes our available-for-sale debt securities in an unrealized loss position (in thousands):

			Less than 12 months												12 months or greater												Total
			Gross Unrealized Losses						Estimated Fair Value						Gross Unrealized Losses						Estimated Fair Value						Gross Unrealized Losses						Estimated Fair Value
December 31, 2022
Bank deposits			$	(34)					$	2,470					$	—					$	—					$	(34)					$	2,470
Corporate bonds			(21)						3,887						(37)						947						(58)						4,834
Commercial paper			—						3,836						—						—						—						3,836
U.S. Government Securities			(70)						2,161						—						—						(70)						2,161
Total			$	(125)					$	12,354					$	(37)					$	947					$	(162)					$	13,301
December 31, 2021
Bank deposits			$	(13)					$	20,008					$	—					$	—					$	(13)					$	20,008
Corporate bonds			(15)						27,252						(5)						2,996						(20)						30,248
Commercial paper			(6)						6,689						(32)						10,125						(38)						16,814
U.S. Government Securities			—						—						(23)						5,553						(23)						5,553
Total			$	(34)					$	53,949					$	(60)					$	18,674					$	(94)					$	72,623

Schedule of Property and Equipment

Property and equipment are stated at cost and consists of the following (in thousands):

			December 31,
			2022						2021
Lab and office equipment			$	14,172					$	13,417
Leasehold improvements			7,446						5,265
Computer equipment and software			989						924
			22,607						19,606
Less accumulated depreciation and amortization			(10,125)						(6,415)
			$	12,482					$	13,191

Schedule of Goodwill and Other Identifiable Intangible Assets

Goodwill and identifiable intangible assets consist of the following (in thousands):

			December 31,
			2022						2021
Indefinite-lived intangible assets
Goodwill			$	105,673					$	105,673
Definite-lived intangible assets
Complete technology			55,211						55,211
Less: Accumulated amortization			(22,560)						(18,916)
Trade name			2,642						2,642
Less: Accumulated amortization			(1,577)						(1,444)
Customer relationships			29,600						29,600
Less: Accumulated amortization			(17,670)						(16,184)
Contractual relationships			362,000						362,000
Less: Accumulated amortization			(65,191)						(36,218)
Total goodwill and other identifiable intangible assets, net			$	448,128					$	482,364

Schedule of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

			December 31,
			2022						2021
Compensation			$	6,201					$	6,532
Professional fees			662						2,046
Amounts owed to former licensees			3,989						630
Royalties owed to third parties			12						149
Return reserve and customer refunds			—						2,420
Acquisition related liabilities			—						1,000
Subcontractor			—						1,759
Supplier			634						848
Other			4,183						2,195
			$	15,681					$	17,579

Schedule of Contingent Liabilities

The following table summarizes roll-forward of contingent liabilities as of December 2022 and 2021 (in thousands):

			December 31, 2020						Payments			Fair Value Adjustment			December 31, 2021									Payments			Fair Value Adjustment			Repurchases			December 31, 2022
Cydex			$	507					$	(50)		$	(108)		$	349								$	—		$	(265)		$	—		$	84
Metabasis			3,822						—			(464)			3,358									—			71			—			3,429
Pfenex			37,600						—			(37,600)			—									—			—			—			—
Total			$	41,929					$	(50)		$	(38,172)		$	3,707								$	—		$	(194)		$	—		$	3,513

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