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3 - OTHER ASSETS (Details) - Zowie Technology [Member] - USD ($)
3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
3 - OTHER ASSETS (Details) [Line Items]    
Equity Method Investments $ 379,000 $ 193,000
Common Stock [Member]    
3 - OTHER ASSETS (Details) [Line Items]    
Equity Method Investments $ 193,000  
Investment Owned, Balance, Shares (in Shares) 1,322,552  
Equity Method Investment, Ownership Percentage 9.00%  
Preferred Stock [Member]    
3 - OTHER ASSETS (Details) [Line Items]    
Equity Method Investments $ 186,000  
Investment Owned, Balance, Shares (in Shares) 317,428  
Equity Method Investment, Description of Principal Activities preferred convertible shares of ZT with our option after 3 (three) years to convert the investment into common stock or refundable bearing 7% annual interest rate