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Prepayments and Other Current Assets
 6 Months Ended
Jun. 30, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepayments and Other Current Assets Prepayments and Other Current Assets
The components of prepayments and other current assets were as follows at the dates indicated (in thousands):

June 30,December 31,
20232022
Insurance premiums$766 $1,220 
Rents, licenses and other1,842 1,898 
Total prepayments and other current assets$2,608 $3,118