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1. General: Inventories, Net: Schedule of Inventory (Details) - USD ($)
$ in Thousands
Oct. 02, 2015
Dec. 31, 2014
Details    
Raw Materials $ 6,992 $ 5,468
Work in process 1,106 1,678
Finished goods 217 233
Reserve for obsolete inventory (3,292) (3,216)
Inventories, net $ 5,023 $ 4,163