CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,263	$ 5,428
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	4,794	3,214
Depreciation	3,329	3,225
Amortization of intangibles	153	635
Deferred income taxes	(740)	185
Provision for doubtful accounts, net	20	120
CHANGES IN OPERATING ASSETS AND LIABILITIES:
Accounts receivable	1,388	(1,376)
Prepaid expenses and other current assets	(1,920)	1,244
Deferred implementation costs	25	(49)
Security deposits	(189)	39
Other assets		116
Accounts payable	1,296	852
Accrued expenses	2,173	(2,123)
Deferred revenue	675	300
Net cash provided by operating activities	14,267	11,810
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment, including capitalized software	(2,970)	(4,297)
Acquisition of Look.io, net of cash acquired	(900)
Acquisition of Amadesa technology assets	(10,798)
Acquisition of Proficient	(77)	(75)
Net cash used in investing activities	(14,745)	(4,372)
CASH FLOWS FROM FINANCING ACTIVITIES:
Excess tax benefit from the exercise of employee stock options	1,156	545
Proceeds from issuance of common stock in connection with the exercise of options	6,573	5,078
Net cash provided by financing activities	7,729	5,623
Effect of foreign exchange rate changes on cash and cash equivalents	47	(19)
Net increase in cash and cash equivalents	7,298	13,042
Cash and cash equivalents at the beginning of the period	93,278	61,336
Cash and cash equivalents at the end of the period	$ 100,576	$ 74,378