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. 29, 2014
Dec. 28, 2013
Mar. 30, 2013
Dec. 29, 2012
Payables and Accruals [Abstract]        
Compensation and benefits $ 1,343 $ 1,317    
Accrued incentive and rebate checks 461 461    
Accrued rent 862 1,121    
Warranty expense 30 34 42 47
Accrued payables 227 437    
Current portion of deferred gain on sale-leaseback of building 244 365    
Deferred revenue 196 346    
Other 941 725    
Total $ 4,304 $ 4,806