CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net revenues:
Revenues	$ 102,985	$ 101,640	$ 301,314	$ 290,880
Cost of revenues:
Total cost of revenues	33,206	35,737	101,405	103,423
Gross profit	69,779	65,903	199,909	187,457
Operating expenses:
Research and development	17,110	17,129	49,869	48,639
Marketing and selling	24,362	24,413	69,962	66,511
General and administrative	14,066	14,901	42,241	42,214
Restructuring costs, net	158	(88)	515	1,001
Total operating expenses	55,696	56,355	162,587	158,365
Operating income	14,083	9,548	37,322	29,092
Interest expense, net	(2,741)	(1,646)	(6,161)	(5,547)
Other income, net	15	7,864	7	4,459
Income before income taxes	11,357	15,766	31,168	28,004
(Benefit from) provision for income taxes	(665)	991	1,187	1,832
Net income	$ 12,022	$ 14,775	$ 29,981	$ 26,172
Net income per common share – basic	$ 0.27	$ 0.32	$ 0.67	$ 0.58
Net income per common share – diluted	$ 0.27	$ 0.32	$ 0.66	$ 0.56
Weighted-average common shares outstanding – basic	44,476	45,564	44,676	45,115
Weighted-average common shares outstanding – diluted	44,703	46,428	45,107	46,449
Subscription
Net revenues:
Revenues	$ 41,782	$ 28,008	$ 108,878	$ 74,384
Cost of revenues:
Total cost of revenues	6,163	4,020	18,057	10,210
Maintenance
Net revenues:
Revenues	27,280	30,702	83,382	90,997
Cost of revenues:
Total cost of revenues	4,849	5,739	15,379	17,135
Integrated solutions & other
Net revenues:
Revenues	33,923	42,930	109,054	125,499
Cost of revenues:
Total cost of revenues	$ 22,194	$ 25,978	$ 67,969	$ 76,078