v2.4.0.8
SHARE-BASED COMPENSATION (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Feb. 26, 2009
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
May 31, 2011
May 31, 2007
Aug. 31, 2013
Minimum [Member]
Jul. 31, 2011
Minimum [Member]
Jul. 31, 2010
Minimum [Member]
Aug. 31, 2013
Maximum [Member]
Jul. 31, 2011
Maximum [Member]
Jul. 31, 2010
Maximum [Member]
May 31, 2011
Stock Options [Member]
May 31, 2007
Stock Options [Member]
Dec. 31, 2013
Restricted Stock Units (RSUs) [Member]
Dec. 31, 2012
Restricted Stock Units (RSUs) [Member]
May 31, 2011
Restricted Stock Units (RSUs) [Member]
May 31, 2007
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                    
Number of shares authorized                         1,400,000 8,000,000     1,400,000 8,000,000
Number of common shares subscribed by authorized options and RSUs         8,400,000 48,000,000                        
Weighted average exercise price per option $ 3.30 $ 1.51 $ 1.40 $ 1.40                            
Vesting period for options 5 years 7 years                                
Increase in the fair value of options due to plan modification   $ 2,614                                
Expected forfeiture rate   15.00%         11.00% 10.00% 5.00% 15.00% 15.00% 10.00%            
Unrecognized compensation cost related to non-vested stock options   2 204                              
Unrecognized compensation cost, recognition period   2 years 3 years                       1 year 2 years    
Unrecognized compensation cost related to non-vested RSUs   19 190                              
Shares available for future grant                             6,929,661 3,940,253    
Milestone one   31,500                                
Milestone two   44,500                                
Milestone three   $ 55,500