Information about Geographic Areas (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Classification of Revenue by Geography

Revenue by geography was as follows (in thousands):            

	Three Months Ended March 31,
	2018		2017
Americas	$	15,828	$	12,211
Europe & Middle East	5,758		4,415
Asia Pacific	1,499		1,437
Total revenue	$	23,085	$	18,063