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GEOGRAPHIC AND SEGMENT INFORMATION (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
segment
Dec. 31, 2018
USD ($)
GEOGRAPHIC AND SEGMENT INFORMATION    
Number of reportable operating segment | segment 3  
Long-term assets $ 24,600,000 $ 25,800,000
Revenues $ 0 $ 0
Concentration risk percentage 10.00%