Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues
Revenues	$ 146,339	$ 141,869	$ 291,901	$ 275,684
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Total cost of revenues	91,155	89,515	184,372	175,586
Selling, general and administrative	33,876	33,161	67,097	65,684
Depreciation	1,317	1,070	2,605	2,086
Amortization	4,398	4,010	8,320	8,147
Acquisition costs	1,787	616	3,600	578
Adjustment to fair value of contingent consideration	2,067	116	1,732	(308)
Income from operations	11,739	13,381	24,175	23,911
Net interest expense	2,061	1,863	3,987	3,656
Net other income	(15)	(9)	(8)	(44)
Income before income taxes	9,693	11,527	20,196	20,299
Provision for income taxes	3,084	2,999	4,613	4,745
Net income	$ 6,609	$ 8,528	$ 15,583	$ 15,554
Basic net income per share (in dollars per share)	$ 0.21	$ 0.27	$ 0.49	$ 0.50
Diluted net income per share (in dollars per share)	$ 0.20	$ 0.27	$ 0.48	$ 0.48
Shares used in computing basic net income per share (in shares)	31,888	31,343	31,763	31,359
Shares used in computing diluted net income per share (in shares)	32,377	32,040	32,444	32,166
Services
Revenues
Revenues	$ 145,836	$ 141,234	$ 291,238	$ 274,100
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Total cost of revenues	91,155	89,515	184,372	175,586
Software and hardware
Revenues
Revenues	$ 503	$ 635	$ 663	$ 1,584