Concentration of Risk, Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2015

Concentration Of Risk Segment And Geographic Information [Abstract]

Revenue by geographical region

Revenue attributed to the following geographic regions for the years ended December 31, 2015, 2014, and 2013 was as follows (in thousands):

	Year Ended December 31,
	2015		2014		2013
United States	$	10,685	$	11,756	$	19,955
Europe		44,662		5,510		15,396
Asia Pacific		100		1,600		100
Total	$	55,447	$	18,866	$	35,451