Condensed Consolidated Statements Of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues
Services	$ 62,486	$ 47,733	$ 171,911	$ 138,325
Software and hardware	3,868	4,395	10,618	13,620
Reimbursable expenses	3,820	2,520	9,477	7,078
Total revenues	70,174	54,648	192,006	159,023
Cost of revenues (exclusive of depreciation and amortization, shown separately below)
Project personnel costs	39,292	30,464	109,024	88,991
Software and hardware costs	3,425	3,810	9,223	12,017
Reimbursable expenses	3,820	2,520	9,477	7,078
Other project related expenses	1,320	1,403	4,454	4,115
Total cost of revenues	47,857	38,197	132,178	112,201
Gross margin	22,317	16,451	59,828	46,822
Selling, general and administrative	13,797	11,705	38,283	34,532
Depreciation	484	225	1,207	567
Amortization	1,984	975	4,663	2,989
Acquisition costs	1	0	1,231	406
Adjustment to fair value of contingent consideration	334	15	852	(15)
Income from operations	5,717	3,531	13,592	8,343
Net interest income (expense)	(1)	37	67	107
Net other income (expense)	13	31	(6)	27
Income before income taxes	5,729	3,599	13,653	8,477
Provision for income taxes	2,263	1,346	5,627	3,304
Net income	$ 3,466	$ 2,253	$ 8,026	$ 5,173
Basic net income per share	$ 0.12	$ 0.08	$ 0.29	$ 0.19
Diluted net income per share	$ 0.12	$ 0.08	$ 0.28	$ 0.18
Shares used in computing basic net income per share	27,744	26,594	27,679	26,932
Shares used in computing diluted net income per share	29,518	27,964	29,054	28,394