Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ (4,826)	$ 209
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation and amortization	483	442
Stock-based compensation	1,350	908
Changes in operating assets and liabilities:
Accounts receivable, net	4,219	(799)
Contract assets, current	389
Prepaid expenses and other assets	(84)	220
Third-party software fees payable	(6,869)	(721)
Accounts payable and accrued expenses	427	(906)
Deferred revenue	(1,149)	2,076
Deferred rent	(238)	(223)
Net cash provided (used) by operating activities	(6,298)	1,206
Cash flows from investing activities:
Purchases of equipment and furniture	(344)	(368)
Proceeds from maturities of short-term investments	25,702	18,200
Purchases of short-term investments	(20,440)	(24,159)
Reduction of restricted cash equivalents		250
Net cash provided (used) by investing activities	4,918	(6,077)
Cash flows provided by financing activities:
Proceeds from exercise of stock options	174	832
Effect of exchange rates on cash	25	(58)
Net decrease in cash and cash equivalents	(1,181)	(4,097)
Cash and cash equivalents, beginning of period	14,312	16,443
Cash and cash equivalents, end of period	$ 13,131	$ 12,346