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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
item
Dec. 31, 2011
Dec. 31, 2010
COMMITMENTS AND CONTINGENCIES      
Pension expense $ 128,000 $ 119,000 $ 114,000
Annual fixed leasehold rent $ 296,875    
Percentage increase in rent to be paid every five years 25.00%    
Frequency for increase in rent by 25% 5 years    
Number of 5-year extension options 5    
Lease extension period for the first five renewal options 5 years    
Number of seven month extension options 1    
Lease extension period for the last renewal option 7 months