v2.4.0.6
Inventories (Details) (USD $)
Sep. 29, 2012
Dec. 31, 2011
Schedule of Inventory    
Raw materials $ 8,545,000 $ 7,853,000
Work in process 3,257,000 3,160,000
Finished goods 2,456,000 2,571,000
Total Inventory $ 14,258,000 $ 13,584,000