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Accrued Expenses
3 Months Ended
Mar. 31, 2022
Accrued Expenses  
Accrued Expenses

6.     Accrued Expenses

Accrued expenses consisted of the following (in thousands):

March 31, 

December 31, 

    

2022

    

2021

Accrued contracted costs

$

2,073

$

760

Accrued compensation

713

1,958

Accrued professional fees

638

268

Accrued other

428

295

Total

$

3,852

$

3,281