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Clinical Holdback (Tables)
 6 Months Ended
Jun. 30, 2022
Clinical Holdback [Abstract]  
Clinical Holdback Liability
The following table shows the activity within the clinical holdback liability accounts for the six months ended June 30, 2022:
 
Balance at December 31, 2021
  
$
168,738
  
Clinical holdback retained
    
10,660
  
Clinical holdback paid
    
(34,021
)
Balance at June 30, 2022
  
$
145,377
  
Less: clinical holdback - current portion
    
(36,238
)
Clinical holdback - long-term portion
  
$
109,139