Stockholders' Equity and Employee Stock Option Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Stock-based Compensation Expense
Stock-based Compensation Expense, Total	$ (15)	$ (204)	$ 62	$ (47)
Cost of Revenues [Member]
Stock-based Compensation Expense
Stock-based Compensation Expense, Total	(88)	(27)	(46)	(68)
Product development [Member]
Stock-based Compensation Expense
Stock-based Compensation Expense, Total	(58)	36	(12)	135
Sales and marketing [Member]
Stock-based Compensation Expense
Stock-based Compensation Expense, Total	(12)	(7)	(121)	(90)
General and administrative [Member]
Stock-based Compensation Expense
Stock-based Compensation Expense, Total	$ 143	$ (206)	$ 241	$ (24)