Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net loss	$ (5,234)	$ 220
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	586	758
Stock-based compensation	726	685
Deferred income taxes	2,181	415
Changes in operating assets and liabilities:
Accounts receivable, net	3,284	(3,176)
Prepaid expenses and other assets	(418)	367
Third-party software fees payable	(44)	2,303
Accounts payable and accrued expenses	(394)	(1,076)
Deferred revenue	237	331
Deferred rent	268	(13)
Net cash provided by operating activities	1,192	814
Cash flows from investing activities:
Purchases of equipment and furniture	(216)	(336)
Proceeds from maturities of short-term investments	8,932	8,400
Purchases of short-term investments	(7,163)	(10,535)
Reduction of restricted cash	625
Net cash provided by (used in) investing activities	2,178	(2,471)
Cash flows provided by financing activities-proceeds from exercise of stock options	12	193
Effect of exchange rate changes on cash	(49)	(144)
Net increase (decrease) in cash and cash equivalents	3,333	(1,608)
Cash and cash equivalents, beginning of period	9,903	8,505
Cash and cash equivalents, end of period	$ 13,236	$ 6,897