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SHAREHOLDERS' EQUITY (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Jan. 31, 2016
Nov. 26, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted average fair value of options granted     $ 4.94 $ 4.79 $ 4.62
Weighted average fair value of options vested     $ 4.80    
Total intrinsic value of options exercised during the period     $ 3,430 $ 2,881 $ 1,244
Unrecognized compensation costs related to non-vested share-based compensation     $ 6,221    
Unrecognized compensation cost, period for recognition     3 years    
Shares issued during period, issued for cash   2,852,000      
Purchase price per share   $ 7.00      
Issuance of common shares, net of issuance expenses     $ 17,956
Proceeds from exercise of warrants     $ 10 $ 38  
Exercise Of Over Allotment Option [Member]          
Shares issued during period, issued for cash   372,000      
Warrant [Member]          
Exercise of warrants, shares     19,701 78,828  
Proceeds from exercise of warrants     $ 10 $ 38  
Number of warrants expired     7,881    
Number of warrants outstanding     0    
Stock Option Plans [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Exercise price of options, as a percent of fair market value of ordinary shares     100.00%    
Purchase price of common stock, for 10% or greater interest shareholders, expressed as a percentage of its fair market value.     110.00%    
Vesting period of options     3 years    
Expiration period of options     6 years    
Number of ordinary shares reserved for issuance in stock option plans     4,010,890    
Ordinary shares reserved and available for future grants     70,457    
Stock Option Plans [Member] | Subsequent Event [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Additional number of ordinary shares reserved for issuance in stock option plans 30,000        
Non Qualified Options [Member] | Minimum [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Exercise price of options, as a percent of fair market value of ordinary shares     75.00%