Quarterly report pursuant to Section 13 or 15(d)

NATURE OF OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Credit Risk) (Details)

v3.19.1
NATURE OF OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Credit Risk) (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Revenue [Member] | Outside of the US [Member]      
Concentration Risk [Line Items]      
Concentration of Credit Risk 80.00%    
Customer A [Member] | Accounts Receivable      
Concentration Risk [Line Items]      
Concentration of Credit Risk 70.00%   58.00%
Customer A [Member] | Revenue [Member]      
Concentration Risk [Line Items]      
Concentration of Credit Risk 78.00% 27.00%  
Customer B [Member] | Accounts Receivable      
Concentration Risk [Line Items]      
Concentration of Credit Risk 16.00%   34.00%
Customer B [Member] | Revenue [Member]      
Concentration Risk [Line Items]      
Concentration of Credit Risk 11.00% 19.00%  
Customer C [Member] | Revenue [Member]      
Concentration Risk [Line Items]      
Concentration of Credit Risk   17.00%  
Customer D [Member] | Revenue [Member]      
Concentration Risk [Line Items]      
Concentration of Credit Risk   13.00%