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Accrued Expenses and Other Current Liabilities
 12 Months Ended
Dec. 31, 2021
Payables and Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities Accrued Expenses and Other Current Liabilities
The following table presents the composition of accrued expenses and other current liabilities (in thousands):
As of December 31,
20212020
Accrued clinical and related costs
$3,985 $2,753 
Accrued compensation and related costs
2,850 2,260 
Accrued interest
38 69 
Accrued other1,005 459 
Operating lease liability, short-term
475 390 
Accrued expenses and other current liabilities
$8,353 $5,931