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Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Activity Under Restricted Stock Units

Restricted Stock Units

		Number of Units  (in thousands)				Weighted-Average Grant Date Fair Value per Unit
Balance at December 31, 2023			6,933			$	2.46
Assumed through acquisition			2,970				2.00
Granted			10,850				2.20
Vested			(5,332	)			2.29
Forfeited			(2,032	)			2.28
Balance at December 31, 2024			13,389			$	2.24

Schedule of Activity Under Stock Options

Stock Options

		Number of Options (in thousands)				Weighted-Average Exercise Price per Option				Weighted- Average Remaining Contractual Life (in years)				Aggregate Intrinsic Value (1) (in thousands)
Balance at December 31, 2023			9,294			$	3.62				8.5
Assumed through acquisition			28,184				4.80
Granted			6,697				2.50
Exercised			(715	)			2.07
Cancelled			(4,247	)			3.88
Balance at December 31, 2024			39,213			$	4.28				5.9			$	2.75
Vested at December 31, 2024			28,594			$	4.76				5.0			$	2.75
Unvested options at December 31, 2024			10,619			$	3.10				8.6			$	—

(1)Aggregate intrinsic value as of December 31, 2024 was calculated as the difference between the closing price per share of the Company’s common stock on The Nasdaq Global Select Market on December 31, 2024, which was $1.75, and the exercise price of the options, multiplied by the number of in-the-money options.

Schedule of Stock-Based Compensation Determined using Black-Sholes Option-Pricing Model and Weighted Average Assumptions

The weighted average assumptions used to estimate the fair value of options granted were as follows:

		Year Ended December 31,
		2024				2023				2022
Stock options
Weighted average expected volatility			89.0	%			97.1	%			91.8	%
Weighted average expected term		6.6 years				4.7 years				4.3 years
Weighted average risk-free interest rate			4.4	%			3.9	%			2.6	%
Dividend yield			—				—				—
Weighted-average fair value per share		$	1.96			$	1.49			$	2.21

Schedule of Nonvested Performance-Based Units Activity

Activity under the performance-based awards was as follows:

		Number of Units (in thousands)				Weighted-Average Grant Date Fair Value per Unit
Balance at December 31, 2023			309			$	2.42
PSU granted			100				2.25
Performance adjustment			(26	)			2.42
PSU released			(383	)			2.38
Balance at December 31, 2024			—			$	—

Schedule of Stock-Based Compensation Expense

Stock-based compensation expense is reported in the Company's consolidated statements of operations as follows (in thousands):

		Year Ended December 31,
		2024				2023				2022
Cost of product revenue		$	732			$	652			$	511
Cost of services revenue			648				159				81
Cost of collaboration and other revenue			3				—				—
Research and development expense			5,827				1,671				2,481
Selling, general and administrative expense			24,522				10,641				11,807
Total stock-based compensation expense		$	31,732			$	13,123			$	14,880

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