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SHARE-BASED COMPENSATION (Option Activity) (Details)
 6 Months Ended
Jun. 30, 2016
USD ($)
$ / shares
shares
Number of options  
Outstanding at the beginning of the year | shares 2,773,171
Granted | shares 110,927 [1]
Exercised | shares
Cancelled | shares (259,279)
Outstanding at the end of the year | shares 2,624,819
Vested and expected to vest | shares 2,618,221
Weighted average of exercise price  
Outstanding at the beginning of the year | $ / shares $ 4.01
Granted | $ / shares 2.8
Exercised | $ / shares
Forfeited | $ / shares 4.81
Outstanding at the end of the year | $ / shares 3.88
Vested and expected to vest | $ / shares $ 3.88
Aggregate intrinsic value  
Outstanding | $ [2]
Vested and expected to vest | $ [2]
[1] Includes 75,000 options granted to certain officers.
[2] The aforementioned options are out of the money.