Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net loss	$ (7,821)	$ (8,204)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	696	466
Stock-based compensation	371	620
Impairment of capitalized software development costs	375
Changes in operating assets and liabilities:
Accounts receivable, net	2,804	4,890
Contract assets	424	(244)
Prepaid expenses and other assets	344	(112)
Third-party software fees payable	(612)	(2,665)
Accounts payable and accrued expenses	(1,270)	(442)
Operating lease	240
Deferred revenue	(48)	(854)
Deferred rent	(497)	(253)
Net cash used in operating activities	(4,994)	(6,798)
Cash flows from investing activities:
Purchases of equipment and furniture	(300)	(709)
Proceeds from maturities of short-term investments	9,640	14,125
Purchases of short-term investments	(7,370)	(8,092)
Net cash provided by investing activities	1,970	5,324
Cash flows from financing activities:
Proceeds from exercise of stock options		9
Effect of exchange rate changes on cash and cash equivalents	(144)	(2)
Net decrease in cash and cash equivalents	(3,168)	(1,467)
Cash, restricted cash, and cash equivalents, beginning of period	10,531	12,859
Cash, restricted cash, and cash equivalents, end of period	$ 7,363	$ 11,392