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STOCK BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following table summarizes stock option activity during the year ended December 31, 2025 (in thousands, except share and per share amounts):
Number of OptionsWeighted-Average Exercise PriceWeighted-Average
Remaining
Contractual
Term (in
years)		Average Intrinsic Value
Outstanding as of December 31, 202417,473,789$4.89 6.8$71,168 
Granted4,090,47410.29 
Exercised(1,380,933)3.78 
Forfeited or cancelled(678,308)6.27 
Outstanding as of December 31, 202519,505,022$6.05 6.3$432,162 
Options exercisable as of December 31, 202514,497,660$4.44 5.8$344,642 
Expected to vest as of December 31, 20255,007,362$10.73 8.0$87,520 
Schedule of Fair Value of Stock Options Assumptions
The fair value of stock options granted during 2025, 2024 and 2023 was estimated using the following assumptions:
Year Ended December 31,
202520242023
Stock price
$8.70 – $11.10
$8.57 
$6.90 – 8.02
Exercise price
$8.61 – $17.24
$8.46 $6.92 
Risk-free interest rate
4.0 – 4.4%
3.7%
3.6 – 4.4%
Expected term (in years)
3.9 – 5.9
5.0 – 6.6
4.0 – 6.5
Dividend yield0%0%0%
Expected volatility
61.8 – 69.7%
62.1 – 64.3%
62.6 – 67.4%
Schedule of Restricted Stock Stock Activity
The following table summarizes restricted stock activity during the year ended December 31, 2025:
SharesWeighted-
Average
Grant-Date
Fair Value
Unvested as of December 31, 2024—$0.00 
Granted2,265,34130.77 
Vested—— 
Expired or forfeited(2,430)32.01 
Unvested as of December 31, 20252,262,911$30.76 
Schedule of Stock Based Compensation Expense
Total stock-based compensation expense was allocated as follows (in thousands):
Year Ended December 31,
202520242023
Cost of product revenue$81 $24 $5 
Cost of service revenue217 143 168 
Research and development9,421 6,485 5,008 
General and administrative25,042 5,453 3,780 
Total stock-based compensation$34,761 $12,105 $8,961