STOCK-BASED COMPENSATION (Details - P&L Impact) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Non-cash compensation expense related to equity awards
Total non-cash compensation	$ 1,978	$ 1,786	$ 6,371	$ 4,859
Cost of revenue
Non-cash compensation expense related to equity awards
Total non-cash compensation	24	11	68	24
Selling and marketing expense
Non-cash compensation expense related to equity awards
Total non-cash compensation	425	205	1,080	664
General and administrative expense
Non-cash compensation expense related to equity awards
Total non-cash compensation	1,178	1,292	3,909	3,281
Product development
Non-cash compensation expense related to equity awards
Total non-cash compensation	351	278	1,176	854
Restructuring and severance
Non-cash compensation expense related to equity awards
Total non-cash compensation	$ 0	$ 0	$ 138	$ 36