STOCK-BASED COMPENSATION (Details - P&L Impact) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Non-cash compensation expense related to equity awards    
Total non-cash compensation $ 2,336 $ 1,616
Cost of revenue    
Non-cash compensation expense related to equity awards    
Total non-cash compensation 20 6
Selling and marketing expense    
Non-cash compensation expense related to equity awards    
Total non-cash compensation 270 233
General and administrative expense    
Non-cash compensation expense related to equity awards    
Total non-cash compensation 1,606 1,061
Product development    
Non-cash compensation expense related to equity awards    
Total non-cash compensation $ 440 $ 316