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Acquisition (Details) (USD $)
6 Months Ended 0 Months Ended 0 Months Ended
Jun. 29, 2013
May 28, 2013
WVFC
Jun. 29, 2013
WVFC
May 28, 2013
WVFC
Maximum
Acquisition        
Cash purchase price   $ 9,300,000    
Maximum additional purchase price consideration for meeting certain performance thresholds   3,000,000    
Period following the closing over which performance thresholds are to be met for additional purchase price consideration       7 years
Purchase price paid as:        
Cash and borrowings on revolving line of credit 8,472,000 8,472,000    
Holdback consideration   800,000    
Contingent consideration   2,400,000    
Total purchase price   11,672,000    
Fair value of net assets acquired:        
Inventory   1,272,000    
Property and equipment   3,335,000    
Identifiable intangible assets   3,940,000    
Current liabilities   (22,000)    
Total fair value of net assets acquired   8,525,000    
Excess purchase price over fair value of net assets acquired ("goodwill")   $ 3,147,000 $ 3,100,000