Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

The Company combines its products and services into three product categories and three geographic regions, based on customer location, as follows (in thousands):

	Three Months Ended  September 30,				Nine Months Ended  September 30,
	2020		2019		2020		2019
Software licenses and appliances	$	548	$	1,962	$	6,149	$	3,656
Service
Subscription, maintenance and support	5,349		4,166		14,182		13,883
Professional services and other	733		543		1,860		1,595
Total service	6,082		4,709		16,042		15,478
Total revenues	$	6,630	$	6,671	$	22,191	$	19,134

	Three Months Ended  September 30,				Nine Months Ended  September 30,
	2020		2019		2020		2019
North America	$	4,238	$	4,916	$	15,801	$	12,416
Europe	2,106		1,505		5,596		5,650
Asia	286		250		794		1,068
Total	$	6,630	$	6,671	$	22,191	$	19,134