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STOCKHOLDERS’ EQUITY (Tables)

12 Months Ended

Dec. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Option Activity

The following table summarizes stock option activity for time-based awards:

(shares in thousands)			Number of shares						Weighted-average exercise price
Outstanding at December 31, 2023			13,011						$	10.63
Granted			493						$	1.99
Exercised			(515)						$	3.15
Canceled			(2,153)						$	8.89
Expired			(327)						$	5.81
Outstanding at December 31, 2024			10,509						$	11.09

Schedule of Time-Based RSUs Activity

The following table summarizes the time-based RSU and PSU activity:

															Weighted-average grant date fair value
(shares in thousands)			Restricted Stock Units (RSUs)						Performance Stock Units (PSUs)						RSU						PSU
Outstanding at December 31, 2023			11,308						541						$	12.06					$	9.43
Granted			12,722						—						5.02						—
Vested			(3,801)						—						12.43						—
Forfeited			(6,018)						(149)						7.90						9.43
Outstanding at December 31, 2024			14,211						392						$	7.41					$	9.43

Schedule of Stock-Based Compensation Expense

The following table summarizes share-based compensation expense:

			Years Ended December 31,
(in thousands)			2024						2023						2022
Cost of revenue			$	5,691					$	5,399					$	4,802
Research and development			19,172						22,435						30,676
Sales, general and administrative			46,173						44,284						43,135
Total share-based compensation			71,036						72,118						78,613

Schedule of Fair Value of Employee Stock Options

The fair value of employee stock options was estimated using the following weighted-average assumptions:

			Years Ended December 31,
			2024						2023						2022
Expected term in years			4.9						4.9						4.6
Expected volatility			81% - 93%						77% - 78%						70% - 76%
Risk-free interest rate			3.48% – 4.32%						3.73% – 4.60%						0.41% – 3.66%
Dividend yield			—						—						—
Weighted-average grant date fair value per share			$	1.40					$	7.32					$	5.93

Schedule of Fair Value of Employee Stock Purchase Plan

The fair value of shares to be issued under the ESPP was estimated using the following assumptions:

			Years Ended December 31,
			2024						2023						2022
Expected term in years			0.5 - 2.0						0.5 - 2.0						0.5 - 2.0
Expected volatility			81% - 118%						79% - 97%						70% - 97%
Risk-free interest rate			3.9% - 5.3%						4.9% - 5.5%						0.6% - 3.5%
Dividend yield			—						—						—
Weighted-average grant date fair value per share			$	1.53					$	5.34					$	4.28

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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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.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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

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