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Equity Compensation Plans (Tables)
6 Months Ended
Jun. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Share-Based Compensation Expense Related To Employee Share-Based Compensation
The following table summarizes the allocation of share-based compensation expense:
Three Months Ended
June 30,
Six Months Ended
June 30,
2022202120222021
Cost of revenue $487 $598 $1,058 $1,017 
Research and development expenses 1,186 1,083 2,316 2,020 
Selling, general and administrative expenses 5,851 5,460 11,199 10,708 
Total $7,524 $7,141 $14,573 $13,745