Information about Geographic Areas

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Information about Geographic Areas

17. Information about Geographic Areas

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

Total revenue in the United States was $29.0 million, $19.3 million and $14.9 million for the years ended December 31, 2014, 2013 and 2012, respectively.

The Company’s assets are primarily located in the United States and not allocated to any specific geographic region. Substantially all of the Company’s long-lived assets are located in the United States.