Prepayments and Other Current Assets (Tables)

9 Months Ended

Sep. 30, 2021

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Components of Prepayments and Other Current Assets

The components of prepayments and other current assets were as follows at the dates indicated (in thousands):

	September 30,		December 31,
	2021		2020
Insurance premiums	$	175	$	690
Vendor prepayment	—		1,085
Rents, licenses and other	1,334		1,189
Total prepayments and other current assets	$	1,509	$	2,964