STOCK-BASED COMPENSATION (Details - P&L Impact) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Non-cash compensation expense related to equity awards
Total non-cash compensation	$ 2,633	$ 2,336
Cost of revenue
Non-cash compensation expense related to equity awards
Total non-cash compensation	41	20
Selling and marketing expense
Non-cash compensation expense related to equity awards
Total non-cash compensation	726	270
General and administrative expense
Non-cash compensation expense related to equity awards
Total non-cash compensation	1,310	1,606
Product development
Non-cash compensation expense related to equity awards
Total non-cash compensation	$ 556	$ 440