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SHARE BASED COMPENSATION (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Ordinary shares authorized 21,000,000    
Granted 0 8,134,375 6,274,166
Weighted average fair value of stock options granted   $ 0.59 $ 0.98
Share-based compensation $ 2,702,089 $ 3,687,951 $ 1,792,819
Unrecognized compensation cost related to non-vested stock options $ 2,268,104    
Unrecognized compensation cost, recognition period 1 year 9 months