Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2021

Prepaid Expense and Other Assets, Current [Abstract]

Summary of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	December 31,
	2021		2020
Prepaid Insurance	$	1,884	$	1,443
Prepayments to CRO's		1,658		420
Prepaid Maintenance		1,021		761
Prepayments to CMO's		115		135
Other current assets		2		229
Tax receivable		—		2,711
Interest receivable		29		23
Total	$	4,709	$	5,722