Prepayments and Other Current Assets (Tables)

6 Months Ended

Jun. 30, 2018

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):

	June 30,		December 31,
	2018		2017
Insurance premiums	$	582	$	425
Rents, licenses and other	615		839
Total	$	1,197	$	1,264