Information about Geographic Areas (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Classification of Revenue by Geography

The following table is based on the geographic location of distributors or end users who purchased products and services and collaborators. For sales to distributors, their geographic location may be different from the geographic locations of the ultimate end user. Revenue by geography as of December 31 was as follows:

	2014		2013		2012
	(In thousands)
North America	$	32,244	$	21,855	$	15,906
Europe & Middle East		9,174		5,775		4,167
Asia Pacific		6,175		3,773		2,900
Total revenue	$	47,593	$	31,403	$	22,973