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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%

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