Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 500	$ 1,823
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	151	146
Stock-based compensation	413	264
Changes in operating assets and liabilities:
Accounts receivable, net	(2,314)	136
Prepaid expenses and other assets	(30)	12
Third-party software fees payable	256	(1,454)
Accounts payable and accrued expenses	(624)	(487)
Deferred revenue	(393)	(157)
Deferred rent	(71)	(67)
Net cash provided by (used in) operating activities	(2,112)	216
Cash flows from investing activities:
Purchases of equipment and furniture	(38)	(11)
Proceeds from maturities of short-term investments	6,450	5,310
Purchases of short-term investments	(8,438)	(8,687)
Net cash used for investing activities	(2,026)	(3,388)
Cash flows from financing activities:
Proceeds from exercise of stock options	58	75
Effect of exchange rate changes on cash	(21)	(82)
Net decrease in cash and cash equivalents	(4,101)	(3,179)
Cash and cash equivalents, beginning of period	16,443	13,127
Cash and cash equivalents, end of period	$ 12,342	$ 9,948