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AMORTIZABLE INTANGIBLE ASSETS (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Dec. 29, 2012
AMORTIZABLE INTANGIBLE ASSETS          
Amortizable intangible assets, net $ 147,000   $ 147,000   $ 176,000
Accumulated amortization 573,000   573,000    
Pre-tax amortization expense 15,000 16,000 30,000 33,000  
Estimated amortization expense for the next five years          
2013 59,000   59,000    
2014 52,000   52,000    
2015 45,000   45,000    
2016 21,000   21,000    
2017 $ 0   $ 0