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Accrued expenses and other current liabilities
6 Months Ended
Jun. 30, 2021
Accrued expenses and other current liabilities  
Accrued expenses and other current liabilities

5

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities include the following items:

June 30, 

December 31, 

    

2021

    

2020

(in thousands)

Accruals for services provided by vendors-not yet billed

$

16,734

$

8,269

Personnel related accruals and liabilities

6,792

7,687

Contract liability

2,082

Total

$

23,526

$

18,038