Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 39	$ 1,469
Adjustments to reconcile net income to net cash provided by operating activities:
Realized loss (gain) on investments	(19)	546
Depreciation and amortization	599	690
Stock-based compensation	1,685	554
Changes in operating assets and liabilities:
Accounts receivable, net	(1,264)	(2,701)
Prepaid expenses and other assets	(612)	164
Third-party software fees payable	(1,031)	5,400
Accounts payable and accrued expenses	(585)	(508)
Deferred revenue	(437)	(1,757)
Deferred rent	(53)	(53)
Net cash provided by (used in) by operating activities	(1,678)	3,804
Cash flows from investing activities:
Purchases of equipment and furniture	(528)	(121)
Acquisition of business, less acquired cash	(3,362)
Proceeds from maturities of short-term investments	17,944	5,250
Purchases of short-term investments	(14,274)	(12,561)
Proceeds from sale of auction rate securities	25	3,108
Other		25
Net cash used by investing activities	(195)	(4,299)
Cash flows from financing activities - proceeds from exercise of stock options	281	79
Effect of exchange rate changes on cash	(169)	(28)
Net decrease in cash and cash equivalents	(1,761)	(444)
Cash and cash equivalents, beginning of period	10,814	12,918
Cash and cash equivalents, end of period	9,053	12,474
Supplemental disclosures of cash flow information:
Contingent consideration for acquisition of business	810
Accrued payment for acquisition of business	$ 1,425