Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses (Details)

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Accrued Expenses (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2013
Dec. 29, 2012
Mar. 31, 2012
Dec. 31, 2011
Payables and Accruals [Abstract]        
Compensation and benefits $ 1,332 $ 963    
Accrued incentive and rebate checks 549 563    
Accrued rent 1,291 1,383    
Warranty expense 42 47 66 71
Accrued payables 365 307    
Current portion of deferred gain on sale-leaseback of building 487 487    
Deferred revenue 167 157    
Other 946 403    
Total $ 5,179 $ 4,310