Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net loss	$ (13,737)	$ (9,058)
Adjustments to reconcile net loss to net cash from operating activities:
Depreciation and amortization	639	634
Stock-based compensation	678	1,757
Goodwill impairment	3,738
Deferred income taxes		(16)
Changes in operating assets and liabilities:
Accounts receivable, net	6,433	2,814
Prepaid expenses and other assets	(115)	331
Contract assets	(644)	149
Third-party software fees payable	(2,927)	(4,284)
Accounts payable and accrued expenses	(475)	317
Deferred revenue	(591)	(547)
Deferred rent	(358)	(320)
Net cash used by operating activities	(7,359)	(8,223)
Cash flows from investing activities:
Purchases of equipment and furniture	(463)	(439)
Proceeds from maturities of short-term investments	18,125	33,532
Purchases of short-term investments	(12,595)	(26,544)
Net cash provided by investing activities	5,067	6,549
Cash flows from financing activities:
Proceeds from exercise of stock options	9	202
Effect of exchange rates on cash	(45)	19
Cash, restricted cash, and cash equivalents, beginning of year	12,859	14,312
Net decrease in cash, restricted cash, and cash equivalents	(2,328)	(1,453)
Cash, restricted cash, and cash equivalents, end of year	10,531	12,859
Supplemental cash flow information:
Cash paid for income taxes	$ 75	$ 256