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ACQUISITIONS AND DIVESTITURES 3 (NARRATIVE) (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2015
Dec. 31, 2015
Business Acquisition [Line Items]        
Investments in non-marketable equity investments   $ 2,119,000    
CafeX [Member]        
Business Acquisition [Line Items]        
Equity Method Investment, Ownership Percentage   17.80%   17.20%
Investments in non-marketable equity investments $ 1   $ 9,000,000  
Bridge Loan $ 2,100,000      
Bridge loan stated interest rate 12.00%