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4 - OTHER ASSETS (Details) - USD ($)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
4 - OTHER ASSETS (Details) [Line Items]        
Equity Method Investments   $ 403,000 $ 471,000 $ 688,000
Zowie Technology [Member]        
4 - OTHER ASSETS (Details) [Line Items]        
Equity Method Investments   $ 193,000 100,000 100,000
Equity Method Investment, Ownership Percentage   8.90%    
Asset Impairment Charges $ 305,000      
Zowie Technology [Member] | Common Stock [Member]        
4 - OTHER ASSETS (Details) [Line Items]        
Investment Owned, Balance, Shares   1,322,552    
Grand Shine Management Limited [Member]        
4 - OTHER ASSETS (Details) [Line Items]        
Equity Method Investments   $ 185,000 $ 347,000 $ 571,000
Equity Method Investment, Ownership Percentage   49.00%    
Grand Shine Management Limited [Member] | Teamforce Company Limited [Member]        
4 - OTHER ASSETS (Details) [Line Items]        
Equity Method Investment, Ownership Percentage   51.00%