Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues
Revenues	$ 133,815	$ 120,942
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Total cost of revenues	86,071	79,227
Selling, general and administrative	32,523	28,740
Depreciation	1,016	1,034
Amortization	4,137	3,883
Acquisition costs	(38)	298
Adjustment to fair value of contingent consideration	(424)	969
Income from operations	10,530	6,791
Net interest expense	1,793	374
Net other income	(35)	(2)
Income before income taxes	8,772	6,419
Provision for income taxes	1,746	1,491
Net income	$ 7,026	$ 4,928
Basic net income per share (in dollars per share)	$ 0.22	$ 0.15
Diluted net income per share (in dollars per share)	$ 0.22	$ 0.15
Shares used in computing basic net income per share (in shares)	31,376	32,752
Shares used in computing diluted net income per share (in shares)	32,214	33,790
Services
Revenues
Revenues	$ 132,866	$ 120,196
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Total cost of revenues	86,071	79,227
Software and hardware
Revenues
Revenues	$ 949	$ 746