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LONG-TERM DEBT (Department of Economic and Community Development) (Details) - USD ($)
6 Months Ended
Jan. 08, 2018
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Debt Instrument [Line Items]        
Proceeds from long-term debt   $ 300,000 $ 315,000  
Total debt   3,490,000   $ 3,416,000
Department of Economic and Community Development (DECD)        
Debt Instrument [Line Items]        
Gross proceeds from grant received and loan $ 400,000      
Proceeds from grant 100,000      
Total debt   286,000    
Term loan | Department of Economic and Community Development (DECD)        
Debt Instrument [Line Items]        
Proceeds from long-term debt 300,000      
Debt issuance costs, net $ 31,000 29,000    
Amortization of debt issuance cost   $ 1,000