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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)	3 Months Ended
	Mar. 31, 2017 USD ($) financial_institution	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Concentration Risks, Types, No Concentration Percentage [Abstract]
Number of financial institutions where the Company holds checking deposits \| financial_institution	1
Revenue Recognition [Abstract]
REVENUES	$ 156,000	$ 27,000
Deferred revenue, current	260,000		$ 279,000
Income Taxes
Income tax penalties and interest accrued	0		$ 0
Income tax penalties and interest expense	0	0
Deferred revenue
Revenue Recognition [Abstract]
Revenue recognized	$ 123,000
Minimum
Property and Equipment
Useful life (in years)	3 years
Maximum
Property and Equipment
Useful life (in years)	5 years
Certificates of Deposit \| Foreign Debt Securities
Investments
Investment income	$ 8,000	$ 4,000
Development of Filter Designs
Revenue Recognition [Abstract]
Deferred revenue, current	$ 290,000