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
Jun. 29, 2013
Mar. 30, 2013
Dec. 29, 2012
Jun. 30, 2012
Dec. 31, 2011
Jan. 01, 2011
Payables and Accruals [Abstract]            
Compensation and benefits $ 969   $ 963      
Accrued incentive and rebate checks 500   563      
Accrued rent 1,236   1,383      
Warranty expense 41 42 47 61 66 71
Accrued payables 407   307      
Current portion of deferred gain on sale-leaseback of building 487   487      
Deferred revenue 361   157      
Other 726   403      
Total $ 4,727   $ 4,310