Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Jun. 03, 2014
Held-to-maturity Securities [Abstract]        
Amortized cost value of debt securities   $ 8,000,000    
Unrealized gain on debt securities   20,000    
Fair value of debt securities   8,000,000    
Investment income   $ 20,000    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]        
Expected dividend yield (as a percent)   0.00%    
Unamortized balance       $ 358,000
Amortization of deferred financing costs   $ 745,000    
Income Taxes        
Unrecognized tax benefits   0 $ 0  
Income tax penalties and interest expense   $ 0 $ 0  
Minimum        
Property and Equipment        
Useful lives   3 years    
Maximum        
Property and Equipment        
Useful lives   5 years    
Debt Securities | Certificates of Deposit        
Held-to-maturity Securities [Abstract]        
Amortized cost value of debt securities $ 3,000,000      
Fair value of debt securities 3,000,000      
Unrecognized holding loss 7,000      
Foreign Debt Securities | Certificates of Deposit        
Held-to-maturity Securities [Abstract]        
Investment income $ 11,000