Quarterly report pursuant to Section 13 or 15(d)

Line of Credit (Details)

v2.4.0.8
Line of Credit (Details) (USD $)
9 Months Ended
Sep. 27, 2014
Dec. 28, 2013
Line of Credit    
Interest rate on the revolving line of credit one-month LIBOR rate  
Outstanding balance under the Revolving Credit Agreement $ 7,584,000 $ 9,661,000
Revolving line of credit | PNC
   
Line of Credit    
Amount of revolving line of credit 15,000,000  
Minimum fixed charge coverage ratio 1.10  
Trailing period for measurement of fixed charge coverage ratio (in months) 12 months  
Interest rate margin (as a percent) 1.75%  
Outstanding balance under the Revolving Credit Agreement 7,584,000 9,661,000
Weighted average interest rate (as a percent) 2.93% 4.27%
Available borrowing capacity under the Revolving Credit Agreement 6,543,000 3,966,000
Revolving line of credit | PNC | Base Rate
   
Line of Credit    
Interest rate on the revolving line of credit PNC Base Rate  
Revolving line of credit | PNC | LIBOR Rate
   
Line of Credit    
Interest rate on the revolving line of credit 1-, 2- or 3-month PNC LIBOR Rate  
Interest rate margin (as a percent) 2.75%  
Revolving line of credit | PNC | Federal Funds Open Rate
   
Line of Credit    
Interest rate on the revolving line of credit Federal Funds Open Rate  
Interest rate margin (as a percent) 0.50%  
Revolving line of credit | PNC | One month LIBOR rate
   
Line of Credit    
Interest rate margin (as a percent) 1.00%  
Letter of credit | PNC
   
Line of Credit    
Letter of credit issued in favor of Whirlpool Corporation $ 750,000