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INVENTORIES (Details) (USD $)
Jun. 28, 2014
Dec. 28, 2013
Jun. 29, 2013
INVENTORIES      
Raw materials $ 1,269,000 $ 935,000 $ 1,843,000
Work-in-process 1,906,000 1,918,000 1,839,000
Finished goods 21,223,000 22,088,000 17,009,000
Inventories, net $ 24,398,000 $ 24,941,000 $ 20,691,000