v3.19.1
CONCENTRATION OF CREDIT RISK AND MAJOR CUSTOMERS (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Revenues [Member] | One Major Customers [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 14.20% 20.40%  
Accounts Receivable [Member] | One Major Customers [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 13.10%   41.30%
Accounts Receivable [Member] | Two Major Customers [Member]      
Concentration Risk [Line Items]      
Concentration risk percentage 13.10%   41.30%