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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of stock-based compensation expense recognized
The following table presents stock-based compensation expense recognized in the Company’s accompanying condensed consolidated statements of operations:
         
Three Months Ended
September 30,		Nine Months Ended
September 30,
(in thousands)2021202020212020
Cost of goods sold$144 $864 $1,672 $2,127 
Sales and marketing684 621 1,726 1,268 
General and administrative2,330 1,926 6,641 5,735 
Research and development709 581 1,733 1,322 
Total stock-based compensation expense$3,867 $3,992 $11,772 $10,452