XML 31 R20.htm IDEA: XBRL DOCUMENT v3.22.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2022
Share-based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense
We report our stock-based compensation expense (inclusive of our incentive stock plan and employee stock purchase plan) in the accompanying Condensed Consolidated Statements of Operations within “total operating costs and expenses” for the three months ended March 31, 2022 and 2021, as follows:
 Three Months Ended
March 31,
 20222021
Selling, general and administrative$1,915 $2,798 
Research and development1,096 1,414 
Total stock-based compensation$3,011 $4,212