Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 12,494	$ 12,707
Short-term investments	0	11,301
Total cash, cash equivalents and short-term investments	12,494	24,008
Accounts receivable, net	58,308	48,496
Prepaid expenses	1,388	1,270
Other current assets	4,891	2,584
Total current assets	77,081	76,358
Long-term investments	0	2,254
Property and equipment, net	3,448	2,355
Goodwill	120,903	115,227
Intangible assets, net	10,659	8,829
Other non-current assets	3,062	2,655
Total assets	215,153	207,678
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	3,289	6,072
Other current liabilities	22,122	22,654
Total current liabilities	25,411	28,726
Other non-current liabilities	1,948	1,788
Total liabilities	27,359	30,514
Stockholders' equity:
Common stock (par value $.001 per share; 50,000,000 shares authorized and 34,635,412 shares issued and 28,037,845 shares outstanding as of June 30, 2011; 33,373,410 shares issued and 27,275,936 shares outstanding as of December 31, 2010)	35	33
Additional paid-in capital	236,819	224,966
Accumulated other comprehensive loss	(197)	(225)
Treasury stock, at cost (6,597,567 shares as of June 30, 2011; 6,097,474 shares as of December 31, 2010)	(48,018)	(42,205)
Accumulated deficit	(845)	(5,405)
Total stockholders' equity	187,794	177,164
Total liabilities and stockholders' equity	$ 215,153	$ 207,678