STOCK-BASED COMPENSATION (Details - P&L Impact) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Non-cash compensation expense related to equity awards
Total non-cash compensation expense	$ 1,616	$ 1,433
Cost of revenue
Non-cash compensation expense related to equity awards
Total non-cash compensation expense	6	2
Selling and marketing expense
Non-cash compensation expense related to equity awards
Total non-cash compensation expense	233	217
General and administrative expense
Non-cash compensation expense related to equity awards
Total non-cash compensation expense	1,061	1,030
Product development
Non-cash compensation expense related to equity awards
Total non-cash compensation expense	$ 316	$ 184