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
Sep. 28, 2013
Jun. 29, 2013
Dec. 29, 2012
Sep. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Payables and Accruals [Abstract]            
Compensation and benefits $ 1,524   $ 963      
Accrued incentive and rebate checks 495   563      
Accrued rent 1,182   1,383      
Warranty expense 39 41 47 55 61 71
Accrued payables 425   307      
Current portion of deferred gain on sale-leaseback of building 487   487      
Deferred revenue 231   157      
Other 945   403      
Total $ 5,328   $ 4,310