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SEGMENT INFORMATION (Details)
12 Months Ended
Dec. 31, 2017
USD ($)
segment
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Segment information by geographical area      
Number of business segments | segment 1    
Revenue $ 5,389,014 $ 9,512,796 $ 9,929,940
United States      
Segment information by geographical area      
Revenue 466,471 4,832,977 4,932,791
Europe      
Segment information by geographical area      
Revenue 4,393,303 4,251,260 4,831,678
Rest of the world      
Segment information by geographical area      
Revenue $ 529,240 $ 428,559 $ 165,471
Major customer one      
Segment information by geographical area      
Percentage of entity's revenue 57.00% 36.00% 30.00%
Major customer two      
Segment information by geographical area      
Percentage of entity's revenue 9.00% 32.00% 29.00%
Major customer three      
Segment information by geographical area      
Percentage of entity's revenue 6.00% 15.00% 18.00%
Major customer four      
Segment information by geographical area      
Percentage of entity's revenue 6.00%   10.00%