CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 100,576	$ 93,278
Accounts receivable, net of allowance for doubtful accounts of $708 and $688 as of June 30, 2012 and December 31, 2011, respectively	19,591	20,999
Prepaid expenses and other current assets	7,178	5,390
Deferred tax assets, net	2,456	2,342
Total current assets	129,801	122,009
Property and equipment, net	13,327	13,879
Intangibles, net	14,625	1,095
Goodwill	25,249	24,090
Deferred tax assets, net	2,374	2,829
Deferred implementation costs, net of current	222	247
Security deposits	546	356
Other assets	1,554	1,546
Total assets	187,698	166,051
Current liabilities:
Accounts payable	9,364	8,258
Accrued expenses	14,060	12,019
Deferred revenue	4,342	5,378
Total current liabilities	27,766	25,655
Deferred revenue, net of current	2,863	1,152
Other liabilities	1,554	1,546
Total liabilities	32,183	28,353
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.001 par value per share; 5,000,000 shares authorized, 0 shares issued and outstanding at June 30, 2012 and December 31, 2011
Common stock, $.001 par value per share; 100,000,000 shares authorized, 55,542,463 shares issued and outstanding at June 30, 2012 and 54,090,344 shares issued and outstanding at December 31, 2011	56	54
Additional paid-in capital	240,620	226,113
Accumulated deficit	(84,872)	(88,135)
Accumulated other comprehensive loss	(289)	(334)
Total stockholders' equity	155,515	137,698
Total liabilities and stockholders' equity	$ 187,698	$ 166,051