Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2015

Prepaid Expenses and Other Current Assets

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

	December 31, 2015		December 31, 2014
Equipment maintenance and services	$	689	$	492
Prepaid VAT		558		419
Prepaid insurance		455		359
Vendor credit		—		486
Deferred costs		206		5
Prepaid taxes		105		220
Interest receivable		63		100
Other		22		23
Total	$	2,098	$	2,104