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SUPPLEMENTAL FINANCIAL INFORMATION
 9 Months Ended
Sep. 30, 2023
Supplemental Financial Information [Abstract]  
SUPPLEMENTAL FINANCIAL INFORMATION SUPPLEMENTAL FINANCIAL INFORMATION
Prepaid expenses and other current assets consisted of the following (in thousands):
September 30, 2023December 31, 2022
Research and development service agreements$1,534 $1,077 
Prepaid insurance1,216 1,106 
Dues and subscriptions166 105 
Prepaid raw materials67 199 
Other181 237 
Total prepaid expenses and other current assets$3,164 $2,724 
Accrued expenses and other current liabilities consisted of the following (in thousands):
September 30, 2023December 31, 2022
Compensation and other employee liabilities$2,054 $2,008 
Research and development1,015 1,211 
Legal18 — 
Other81 131 
Total accrued expenses and other current liabilities$3,168 $3,350