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Prepaid Expenses and Other Current Assets
 9 Months Ended
Sep. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid Expenses and Other Current Assets Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consisted of the following (in thousands):
As of September 30,
2022
As of December 31,
2021
Prepaid research and development2,258 2,819 
Prepaid insurance6 2,585 
Prepaid licenses936 819 
Interest receivable752 385 
Other207 156 
Total prepaid expenses and other current assets4,159 6,764