Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2017

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets include the following:

(in thousands)	December 31, 2017		December 31, 2016
Insurance premiums	$	421	$	501
Financing costs		70		—
Security deposit		50		50
Other1		159		147
Total prepaid expenses and other current assets	$	700	$	698

¹Other consists of various prepaid expenses and other current assets, with no individual item accounting for more than 5% at December 31, 2017 and 2016.