Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2016

Prepaid Expenses and Other Current Assets [Abstract]

Prepaid Expenses and Other Current Assets

4.  Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

(in thousands)	December 31,
	2016		2015
Prepaid expenses	$	422	$	639
Income tax receivable		446		425
Other current assets		1,184		1,435
Total	$	2,052	$	2,499

Other current assets primarily includes value-added tax receivables and cash deposited in a Swedish tax account.