Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 3,708	$ 258
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	288	325
Realized loss on disposal of assets		33
Stock-based compensation	569	463
Changes in operating assets and liabilities:
Accounts receivable, net	(1,792)	4,658
Prepaid expenses and other assets	17	752
Third-party software fees payable	114	(3,218)
Accounts payable and accrued expenses	54	(384)
Deferred revenue	(78)	(169)
Deferred rent	(132)	8
Net cash provided by operating activities	2,748	2,726
Cash flows from investing activities:
Purchases of equipment and furniture	(44)	(93)
Proceeds from maturities of short-term investments	9,481	8,355
Purchases of short-term investments	(13,678)	(14,090)
Net cash used in investing activities	(4,241)	(5,828)
Cash flows provided by financing activities:
Proceeds from exercise of stock options	322	563
Effect of exchange rate changes on cash	10	131
Net decrease in cash and cash equivalents	(1,161)	(2,408)
Cash and cash equivalents, beginning of period	13,127	13,510
Cash and cash equivalents, end of period	$ 11,966	11,102
Supplemental disclosure of cash flow information:
Non-cash investing activity-leasehold improvements and furniture funded by landlord		$ 1,128