Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 315	$ 3,708
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	303	288
Stock-based compensation	628	569
Changes in operating assets and liabilities:
Accounts receivable, net	(368)	(1,792)
Prepaid expenses and other assets	(87)	17
Third-party software fees payable	(3,386)	114
Accounts payable and accrued expenses	281	54
Deferred revenue	(576)	(78)
Deferred rent	(146)	(132)
Net cash provided by (used in) operating activities	(3,036)	2,748
Cash flows from investing activities:
Purchases of equipment and furniture	(105)	(44)
Proceeds from maturities of short-term investments	12,950	9,481
Purchases of short-term investments	(15,926)	(13,678)
Net cash used for investing activities	(3,081)	(4,241)
Cash flows from financing activities:
Proceeds from exercise of stock options	333	322
Effect of exchange rate changes on cash	(40)	10
Net decrease in cash and cash equivalents	(5,824)	(1,161)
Cash and cash equivalents, beginning of period	16,443	13,127
Cash and cash equivalents, end of period	$ 10,619	$ 11,966