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Accrued expenses and other current liabilities (Tables)
6 Months Ended
Jun. 30, 2020
Accrued expenses and other current liabilities  
Schedule of accrued expenses and other current liabilities

June 30, 

December 31, 

    

2020

    

2019

(in thousands)

Accruals for services provided by vendors-not yet billed

$

6,629

$

5,425

Personnel related accruals and liabilities

6,621

7,032

Total

$

13,250

$

12,457