Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2014

Prepaid Expense and Other Assets, Current [Abstract]

Prepaid Expenses and Other Current Assets

3.   Prepaid Expenses and Other Current Assets

Prepaid expense and other current assets consist of the following (in thousands):

	As of December 31,
	2014		2013
Prepaid insurance	$	122	$	91
Prepaid rent		39		75
VAT receivable		137		250
Other		215		200
Total prepaid expenses and other current assets	$	513	$	616