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ACCRUED EXPENSES (Tables)
6 Months Ended
Jun. 30, 2022
ACCRUED EXPENSES  
Schedule of accrued expenses

Accrued expenses consist of the following (in thousands):

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June 30, 

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December 31, 

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2022

    

2021

Accrued payroll and employee related expenses

​

$

13,474

​

$

21,513

Clinical related

​

​

15,138

​

​

18,167

Manufacturing related

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2,689

​

 

6,566

Facilities related

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​

1,223

​

​

4,857

Legal and related services

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1,611

​

 

1,907

Other accrued expenses

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3,565

​

 

3,756

Total accrued expenses

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$

37,700

​

$

56,766