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Accrued Expenses
 6 Months Ended
Jun. 30, 2023
Payables and Accruals [Abstract]  
Accrued Expenses Accrued ExpensesAccrued expenses consist of the following:
(In thousands)June 30,
2023		December 31,
2022
Clinical expenses$1,769 $1,470 
Compensation, excluding taxes1,328 1,040 
Professional fees1,219 1,087 
Interest on convertible note633 553 
Other597 535 
Total accrued expenses$5,546 $4,685