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Stock-Based Awards (Tables)
6 Months Ended
Jun. 30, 2021
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Unrecognized Stock-Based Compensation Expense and Average Remaining Vesting Period
A summary of unrecognized stock-based compensation expense and average remaining vesting period is as follows:
 
    
June 30, 2021
 
    
Unrecognized 
Stock-Based
Compensation
    
Average
Remaining
Vesting Period (Years)
 
Employees and directors
   $ 13,513        1.70  
Summary of Stock-Based Compensation Activity
A summary of stock-based compensation award activity during the three months ended June 30, 2021 is as follows:
 
    
Stock
Options
    
RSAs
    
RSUs
    
PRSUs
 
Balance at April 1, 2021
     115,000        3,830,801        53,661        598,355  
Granted
            93,750                
Exercised/vested
     (67,500      (653,936              
Forfeitures
            (226,667      (452      (47,669
    
 
 
    
 
 
    
 
 
    
 
 
 
Balance at June 30, 2021
     47,500        3,043,948        53,209        550,686