Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income	$ 6,093	$ 2,345
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	575	624
Realized loss on disposal of assets		33
Stock-based compensation	1,516	982
Deferred income taxes	209	(85)
Changes in operating assets and liabilities:
Accounts receivable, net	(5,383)	2,267
Prepaid expenses and other assets	139	1,601
Third-party software fees payable	(458)	(499)
Accounts payable and accrued expenses	45	(456)
Deferred revenue	423	(1,465)
Deferred rent	(276)	(21)
Net cash provided by operating activities	2,883	5,326
Cash flows from investing activities:
Purchases of equipment and furniture	(272)	(320)
Proceeds from maturities of short-term investments	25,081	9,845
Purchases of short-term investments	(25,089)	(15,814)
Net cash used for investing activities	(280)	(6,289)
Cash flows from financing activities:
Proceeds from exercise of stock options	716	666
Effect of exchange rate changes on cash	(3)	(86)
Net increase (decrease) in cash and cash equivalents	3,316	(383)
Cash and cash equivalents, beginning of year	13,127	13,510
Cash and cash equivalents, end of year	16,443	13,127
Supplemental cash flow information:
Cash paid for income taxes	$ 310	8
Non-cash investing activity--leasehold improvements & furniture funded by landlord		$ 1,128