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Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense
Stock-based compensation expense is included in the following line items in the condensed consolidated statements of operations (in thousands):
 Three Months Ended
June 30,		Six Months Ended
June 30,
 2022202120222021
Sales and marketing$1,440 $1,235 $2,498 $2,043 
General and administrative3,947 3,163 7,182 5,243 
Research and development7,402 5,658 15,219 10,658 
Total stock-based compensation expense$12,789 $10,056 $24,899 $17,944 

The following table summarizes the components of non-cash stock-based compensation expense (in thousands):
 Three Months Ended
June 30,		Six Months Ended
June 30,
 2022202120222021
Stock options and assumed options$950 $1,159 $1,728 $1,776 
Restricted stock units11,794 8,849 23,078 16,073 
Employee stock purchase plan45 48 93 95 
Total stock-based compensation expense$12,789 $10,056 $24,899 $17,944 
Tax windfall benefit from stock-based awards$504 $3,120 $1,033 $5,680