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Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Short-Term Investments

The following is a summary of our short-term investments (in thousands):

		December 31, 2023
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value
U.S. treasury bills and government agency obligations		$	31,625			$	11			$	—			$	31,636
U.S. corporate debt securities			11,652				1				—				11,653
Foreign corporate debt securities			5,459				1				—				5,460
U.S. commercial paper			1,991				—				(1	)			1,990
Foreign commercial paper			993				—				—				993
Total		$	51,720			$	13			$	(1	)		$	51,732

		December 31, 2022
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value
U.S. treasury bills and agency obligations		$	35,734			$	—			$	(19	)		$	35,715
U.S. commercial paper			5,481				—				—				5,481
Foreign commercial paper			28,292				—				—				28,292
Total		$	69,507			$	—			$	(19	)		$	69,488

Schedule of Inventory

Inventory consists of the following (in thousands):

		December 31,
		2023				2022
Raw materials		$	17,643			$	15,137
Work in process			14,550				20,723
Finished goods			9,917				18,713
Total inventory		$	42,110			$	54,573

Schedule of Prepaid Expenses and Other Assets

Prepaid expenses and other assets consist of the following (in thousands):

		December 31,
		2023				2022
Prepaid expenses		$	11,731			$	21,120
Prepaid insurance			1,910				1,947
Interest receivables			310				154
Deposits			274				254
Other receivables			21				6,197
Total prepaid expenses and other assets		$	14,246			$	29,672

Schedule of Property and Equipment, Net

Property and equipment, net consists of the following (in thousands):

		December 31,
		2023				2022
Scientific equipment		$	34,027			$	33,318
Leasehold improvements			647				647
Computer equipment and software			1,506				1,506
Furniture, fixtures and office equipment			1,014				982
Property and equipment, gross			37,194				36,453
Less: accumulated depreciation and amortization			(17,028	)			(14,293	)
Property and equipment, net		$	20,166			$	22,160

Schedule of Accrued Liabilities

Accrued payroll and employee liabilities consist of the following (in thousands):

		December 31,
		2023				2022
Accrued employee salaries and benefits		$	1,371			$	2,134
Accrued bonuses			5,499				7,783
Accrued vacation			2,354				3,499
Total accrued payroll and employee liabilities		$	9,224			$	13,416

Other accrued liabilities consist of the following (in thousands):

		December 31,
		2023				2022
Accrued product sales allowances		$	36,529			$	33,317
Accrued consulting and professional fees			3,940				4,236
Accrued accounts payable			559				363
Accrued interest			412				94
Other accrued liabilities			415				542
Total other accrued liabilities		$	41,855			$	38,552

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