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Prepayments and Other Current Assets
6 Months Ended
Jun. 30, 2019
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,
20192018
Insurance premiums$705 $677 
Rents, licenses and other1,123 880 
Total$1,828 $1,557