WARRANT LIBILITY (Tables)
 12 Months Ended
Dec. 31, 2017
WARRANT LIBILITY [Abstract]  
Schedule of Assumptions Used to Estimate Fair Value of Warrants Using the Monte Carlo Simulation
 
 
 
As September 16,
 
 
As December 31,
 
 
 
2015
 
 
2016
 
Stock price
 
$
8.50
 
 
$
3.20
 
Exercise price
 
$
30.2
 
 
$
30.2
 
Annual dividend yield
 
 
-
%
 
 
-
%
Time to maturity
 
 
1.7
 
 
 
0.7
 
Risk-free interest rate
 
 
0.93
%
 
 
0.70
%
Expected volatility
 
 
67.2
%
 
 
42.9
%