Information about Geographic Areas (Tables)

6 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Classification of Revenue by Geography

Revenue by geography was as follows (in thousands):        

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Americas	$	22,578	$	17,005	$	41,505	$	32,833
Europe & Middle East	6,308		6,392		13,508		12,150
Asia Pacific	1,459		1,602		3,020		3,101
Total revenue	$	30,345	$	24,999	$	58,033	$	48,084