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Accrued Expenses and Other Current Liabilities
 6 Months Ended
Jun. 30, 2023
Payables and Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities Accrued Expenses and Other Current Liabilities
Accrued expenses and other current liabilities consisted of the following (amounts in thousands):
June 30,
2023		December 31,
2022
Research and development contract costs$6,962 $11,256 
Compensation and related benefits2,347 3,967 
Operating lease liabilities747 701 
Deferred revenue743 — 
Other184 471 
Litigation settlement— 1,400 
Total accrued expenses and other current liabilities$10,983 $17,795