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Accrued Warranty (Tables)
12 Months Ended
Dec. 27, 2014
Product Warranties Disclosures [Abstract]  
Accrued Warranty
Changes in the accrued warranty for fiscal years 2014 and 2013 are as follows:
 
 
Fiscal Year Ended
 
December 27,
2014
 
December 28,
2013
Beginning Balance
$
716,000

 
$
716,000

Additions
389,000

 
798,000

Claim and reversals
(389,000
)
 
(798,000
)
Ending Balance
$
716,000

 
$
716,000