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5. Property, Plant and Equipment (Details) (USD $)
9 Months Ended
Nov. 02, 2014
Feb. 02, 2014
5. Property, Plant and Equipment (Details) [Line Items]    
Construction in Progress, Gross $ 3,143,000 $ 2,718,000
Gain (Loss) on Disposition of Property Plant Equipment 34,000  
Enterprise Resource Planning (ERP) [Member]
   
5. Property, Plant and Equipment (Details) [Line Items]    
Construction in Progress, Gross 2,500,000  
Various Other Projects to Enhance Facilities and Operations [Member]
   
5. Property, Plant and Equipment (Details) [Line Items]    
Construction in Progress, Gross 690,000  
Building and Building Improvements [Member]
   
5. Property, Plant and Equipment (Details) [Line Items]    
Property, Plant and Equipment, Gross, Period Increase (Decrease) $ (1,800,000)