Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net loss	$ (393)	$ (862)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	163	210
Realized loss on asset disposal	33
Stock-based compensation	244	252
Changes in operating assets and liabilities:
Accounts receivable, net	2,763	3,456
Prepaid expenses and other assets	507	(142)
Third-party software fees payable	(1,322)	(2,387)
Accounts payable and accrued expenses	(646)	(862)
Deferred revenue	530	161
Deferred rent	16	(21)
Net cash provided by (used in) operating activities	1,895	(195)
Cash flows from investing activities:
Purchases of equipment and furniture	(80)	(18)
Proceeds from maturities of short-term investments	4,460	5,375
Purchases of short-term investments	(3,297)	(4,796)
Net cash provided by investing activities	1,083	561
Cash flows from financing activities-proceeds from exercise of stock options	280	1
Effect of exchange rate changes on cash	77	(93)
Net increase in cash and cash equivalents	3,335	274
Cash and cash equivalents, beginning of period	13,510	9,903
Cash and cash equivalents, end of period	16,845	10,177
Non-cash investing activity:
Tenant improvement & furniture allowances funded by landlord	$ 1,167