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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Schedule of Stock-Based Compensation Expense

The Company recorded stock-based compensation expense in the following expense categories of its consolidated statements of operations (in thousands):

 

 

 

Three Months Ended March 31,

 

 

 

2021

 

 

2020

 

Cost of revenue

 

$

13

 

 

$

4

 

Research, development and clinical trials expenses

 

 

197

 

 

 

54

 

Selling, general and administrative expenses

 

 

902

 

 

 

327

 

 

 

$

1,112

 

 

$

385