Segment and Disaggregated Revenue Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment and Disaggregated Revenue Information

Schedule of revenue by geographic region

	Year ended December 31,
(in thousands)	2019		2018		2017
Revenue
United States	$	86,715	$	82,033	$	83,625
International		118,521		111,159		96,133
Total	$	205,236	$	193,192	$	179,758

Revenue from recurring and non-recurring contractual arrangements

	Year ended
	December 31,
(in thousands)	2019		2018		2017
Cloud subscriptions - ratable	$	67,034	$	50,714	$	38,728
On-premise subscriptions - point-in-time		22,022		20,948		15,994
On-premise subscriptions - ratable		18,909		16,275		14,779
Software support on perpetual licenses - ratable		64,983		63,211		59,076
Recurring revenue		172,948		151,148		128,577
Perpetual license - point-in-time		27,447		38,390		48,041
Professional services - point-in-time		4,841		3,654		3,140
Non-recurring revenue		32,288		42,044		51,181
Total revenue	$	205,236	$	193,192	$	179,758