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SHAREHOLDERS' EQUITY (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 6 Months Ended
May 25, 2016
May 19, 2016
Jun. 30, 2016
Jun. 30, 2015
Mar. 03, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of authorized ordinary shares   1,818,182 20,000,000     20,000,000
Offering price per share $ 11.00 $ 11.00        
Shares issued 2,090,909          
Aggregate purchase price $ 21,300 $ 20,000 $ 1,700      
Stock issuance costs $ 1,700 $ 1,500        
Options exercisable period   30 days        
Purchase of additional ordinary shares 272,727 272,727        
Compensation cost     687 $ 786    
Unrecognized balance of compensation expenses     $ 2,185      
Weighted average period over which total unrecognized cost related to non-vested share based compensation expected to be recognized     1 year 3 months 26 days      
Employee Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Warrants exercised     257,511      
Granted [1]     $ 11.29      
Weighted average fair value of awards granted     $ 5.28      
Risk-free interest rates. Minimum     1.05%      
Risk-free interest rates, Maximum     1.39%      
Expected volatility, Minimum     56.70%      
Expected volatility, Maximum     59.40%      
Employee Stock Option [Member] | Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expected Term     3 years 7 months 21 days      
Employee Stock Option [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expected Term     4 years 11 months 19 days      
Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Weighted average fair value of awards granted     $ 12.55    
Share Option Plan 2013 [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of outstanding shares reserved before increment         750,000  
Number of outstanding shares reserved         1,250,000  
[1] The fair value of the options granted during the six months period ended June 30, 2016 was estimated by using a Black-Scholes option-pricing model which requires the following assumptions: risk-free interest rates of 1.05% - 1.39% which is based on the yield from U.S. treasury zero-coupon bonds with an equivalent term to the options' expected term, expected volatility of 56.7% - 59.4% which is calculated based upon actual historical stock price movements over the most recent periods ending on the grant date and an expected term of 3.64 - 4.97 years which is generated by running Monte Carlo model pursuant to which historical post-vesting forfeitures and suboptimal exercise factor are estimated by using historical option exercise information of the options.