Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income	$ 202	$ 500
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	153	151
Stock-based compensation	399	413
Changes in operating assets and liabilities:
Accounts receivable, net	5,078	(2,314)
Contract assets, current	203
Prepaid expenses and other assets	(617)	(30)
Third-party software fees payable	(5,720)	256
Accounts payable and accrued expenses	(41)	(624)
Deferred revenue	(1,804)	(393)
Deferred rent	(76)	(71)
Net cash used in operating activities	(2,223)	(2,112)
Cash flows from investing activities:
Purchases of equipment and furniture	(83)	(38)
Proceeds from maturities of short-term investments	9,750	6,450
Purchases of short-term investments	(12,146)	(8,438)
Net cash used in investing activities	(2,479)	(2,026)
Cash flows provided by financing activities:
Proceeds from exercise of stock options	91	58
Effect of exchange rates on cash	3	(21)
Net decrease in cash and cash equivalents	(4,608)	(4,101)
Cash and cash equivalents, beginning of period	14,312	16,443
Cash and cash equivalents, end of period	$ 9,704	$ 12,342