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DEBT (Webster Bank) (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 01, 2014
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Debt Instrument [Line Items]            
Total debt   $ 513,000   $ 513,000   $ 4,522,000
Loss on extinguishment of debt   53,000 $ 0 53,000 $ 0  
Term loan | Webster Bank            
Debt Instrument [Line Items]            
Debt instrument, term 3 years 6 months          
Debt instrument, face amount $ 500,000          
Interest rate (as a percent) 1.16%          
Debt instrument, maturity date May 31, 2018          
Total debt   $ 0   $ 0   $ 328,000
Term loan | Webster Bank | LIBOR            
Debt Instrument [Line Items]            
Variable rate on interest 0.50%