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Prepaid Expenses And Other Current Assets (Schedule Of Prepaid Expenses And Other Current Assets) (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Prepaid Expenses And Other Current Assets [Abstract]    
Prepaid insurance $ 1,308 $ 662
Contract research organization and other deposits 7,223 10,330
Other 79 53
Total prepaid expenses and other current assets $ 8,610 $ 11,045