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NATURE OF OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Credit Risk) (Details)	6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Revenue [Member] | Outside of the US [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	72.00%
Customer A [Member] | Accounts Receivable
Concentration Risk [Line Items]
Concentration of Credit Risk	25.00%		58.00%
Customer A [Member] | Revenue [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	69.00%	56.00%
Customer B [Member] | Accounts Receivable
Concentration Risk [Line Items]
Concentration of Credit Risk	17.00%		34.00%
Customer B [Member] | Revenue [Member]
Concentration Risk [Line Items]
Concentration of Credit Risk	12.00%	14.00%
Customer C [Member] | Accounts Receivable
Concentration Risk [Line Items]
Concentration of Credit Risk	13.00%
Customer D [Member] | Accounts Receivable
Concentration Risk [Line Items]
Concentration of Credit Risk	10.00%

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