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FAIR VALUE OF FINANCIAL ASSETS AND FINANCIAL LIABILITIES (Narrative) (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Fair Value Disclosures [Abstract]    
Fair value measurements of assets $ 1,125,000  
Fair value measurements of liabilities (234,000)  
Assets measured at fair values on a nonrecurring basis 0 $ 0
Liabilities measured at fair values on a nonrecurring basis $ 0 $ 0