v3.25.2
Stockholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2025
Equity [Abstract]  
Schedule of Shares of Common Stock Reserved for Future Issuance
The following shares of the Company's common stock were reserved for future issuance at June 30, 2025 (in thousands):
Shares reserved for issuance upon conversion of Convertible Senior Notes9,335 
Shares underlying outstanding warrants194 
Shares underlying outstanding stock options3,054 
Shares underlying unvested restricted stock units4,351 
Shares authorized for issuance pursuant to awards granted under the ESPP2,233 
Shares authorized for future equity award grants328 
Total19,495 
Schedule of Stockholders' Equity Common Stock Warrants
Warrants outstanding to purchase shares of the Company's common stock as of June 30, 2025 were as follows:
Issue DateExercise Price Per ShareWarrants OutstandingExpiration Date of Warrants Outstanding
March 2017$23.50193,788 March 2027
Schedule of Compensation Cost Included in Consolidated Statement of Operations
The following table summarizes the allocation of stock-based compensation expense included in the condensed consolidated statements of operations for all stock-based compensation arrangements (in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
Cost of sales$1,751 $1,760 $3,476 $3,830 
Selling, general and administrative16,544 15,518 32,919 28,807 
Research and development7,347 7,619 14,735 14,299 
Total stock-based compensation expense$25,642 $24,897 $51,130 $46,936 
Schedule of Restricted Stock Units
The total number of RSUs granted and the respective weighted average grant date fair value were as follows:
Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
RSUs granted1,953,827 1,694,239 2,044,370 2,052,298 
Weighted average grant date fair value (per share)$20.77 $48.30 $21.06 $44.30 
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions The assumptions used in the Black-Scholes option pricing model for the ESPP were as follows:
Six Months Ended June 30,
20252024
Weighted average grant date fair value (per share)$10.86 $21.45 
Risk-free interest rate4.1 %5.1 %
Dividend yield0.0 %0.0 %
Expected volatility74.9 %70.2 %
Expected term (in years)1.31.3