Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ (2,358)	$ 315
Adjustments to reconcile net income (loss) to net cash used for operating activities:
Depreciation and amortization	320	303
Stock-based compensation	810	628
Changes in operating assets and liabilities:
Accounts receivable, net	2,879	(368)
Contract assets, current	450
Prepaid expenses and other assets	(331)	(87)
Third-party software fees payable	(5,748)	(3,386)
Accounts payable and accrued expenses	(261)	281
Deferred revenue	(1,378)	(576)
Deferred rent	(155)	(146)
Net cash used for operating activities	(5,772)	(3,036)
Cash flows from investing activities:
Purchases of equipment and furniture	(264)	(105)
Proceeds from maturities of short-term investments	19,699	12,950
Purchases of short-term investments	(18,641)	(15,926)
Net cash provided by (used for) investing activities	794	(3,081)
Cash flows provided by financing activities:
Proceeds from exercise of stock options	118	333
Effect of exchange rates on cash	16	(40)
Net decrease in cash and cash equivalents	(4,844)	(5,824)
Cash and cash equivalents, beginning of period	14,312	16,443
Cash and cash equivalents, end of period	$ 9,468	$ 10,619