Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2018

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

Prepaid Expenses and Other Current Assets

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	December 31,
	2018		2017
Prepaid insurance	$	255	$	311
Prepaid maintenance contracts	172		164
Other prepaid expenses	66		120
Prepaid software licenses	54		120
Prepaid expenses and other current assets	$	547	$	715