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Accrued Expenses
12 Months Ended
Dec. 31, 2020
Payables And Accruals [Abstract]  
Accrued Expenses

6. Accrued expenses

Accrued expenses consisted of:

 

 

 

 

As of

 

 

 

 

December 31,

2020

 

 

December 31,

2019

 

(in thousands)

 

 

 

 

 

 

 

 

 

Accrued liabilities

 

 

 

 

 

 

 

 

 

Accrued payroll and related expenses

 

 

$

6,686

 

 

$

4,954

 

Accrued operating expenses

 

 

 

1,545

 

 

 

754

 

Other accrued expenses

 

 

 

975

 

 

 

876

 

Total accrued liabilities

 

 

$

9,206

 

 

$

6,584