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EQUITY INCENTIVE PLANS​ (Tables)
 3 Months Ended
Mar. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense Recognized
Stock-based compensation expense recognized for stock options, RSUs and our ESPP is recorded as operating expenses in our condensed statements of operations and comprehensive loss, as follows:
Three Months Ended March 31,
(in thousands)
20252024
Selling, general and administrative$8,484 $5,646 
Research and development3,604 1,970 
Total$12,088 $7,616 
Schedule of Total Unrecognized Stock-Based Compensation Expense, Net of Estimated Forfeitures A summary of our total unrecognized stock-based compensation expense, net of estimated forfeitures, as of March 31, 2025 is as follows:
Unrecognized Compensation Expense
(in thousands)
Average Remaining Vesting Period
(in years)
Stock option grants$64,626 2.88
RSU grants$79,520 3.30
ESPP$304 0.42
Schedule of Stock Option Activity
A summary of our stock option activity and related information for the 2025 first quarter is as follows:
Number of Shares
(in thousands)		Weighted-Average Exercise Price per Share
Balance as of December 31, 202428,085 $5.63 
Options granted4,113 $5.21 
Options exercised(390)$1.20 
Options forfeited or canceled(821)$7.91 
Balance as of March 31, 202530,987 $5.57 
Exercisable as of March 31, 202515,715 $5.45 
Schedule of Restricted Stock Units Activity
A summary of our RSUs activity and related information for the 2025 first quarter is as follows:
Number of RSUs
(in thousands)		Weighted-Average Grant Date Fair Value Per Share
Non-vested restricted stock units as of December 31, 20248,013 $6.59 
Granted7,093 $5.21 
Vested(573)$6.04 
Forfeited(425)$5.79 
Non-vested restricted stock units as of March 31, 202514,108 $5.94