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BASIS OF PRESENTATION, ORGANIZATION AND OPERATIONS OF THE COMPANY (Details) (USD $)
9 Months Ended
Sep. 28, 2012
item
Dec. 30, 2011
Sep. 30, 2011
Dec. 31, 2010
Accounting for Contracts        
Number of principal types of pricing provisions 3      
Retained accounts receivable $ 623,000 $ 579,000    
Liquidity        
Cash and cash equivalents $ 9,230,000 $ 3,001,000 $ 8,275,000 $ 6,642,000
Period over which cash and cash equivalents on hand, cash generated by operating activities and funds available under line of credit will be sufficient to finance operating activities 12 months