Information about Geographic Areas (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Revenue and Long-Lived Assets by Geographic Area

Revenue by geography is based on the sales region of the customer. The following table sets forth revenue and long-lived assets by geographic area (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
Total revenue:
North America	$	20,875	$	20,102	$	59,714	$	60,528
Asia		1,379		4,127		3,129		11,269
Europe		1,318		1,256		3,436		3,741
Total revenue	$	23,572	$	25,485	$	66,279	$	75,538

	September 30, 2013		December 31, 2012
Long-lived assets:
North America	$	782	$	3,663
Asia		410		447
Europe		4,543		4,703
Total long-lived assets	$	5,735	$	8,813