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Accrued Warranty
12 Months Ended
Dec. 29, 2018
Product Warranties Disclosures [Abstract]  
Accrued Warranty
Accrued Warranty
The Company warrants its products against defect for 12 months, however, for certain products a customer may purchase an extended warranty. A provision for estimated future costs and estimated returns for credit relating to such warranty is recorded in the period when product is shipped and revenue recognized, and is updated as additional information becomes available. The Company’s estimate of future costs to satisfy warranty obligations is based primarily on historical warranty expense experienced and a provision for potential future product failures. Changes in the accrued warranty for fiscal years ended 2018, 2017 and 2016 are as follows:
 
Fiscal Year Ended
 
December 29,
2018
 
December 30,
2017
 
December 31,
2016
Beginning balance
$
649,000

 
$
518,000

 
$
518,000

Additions
159,000

 
328,000

 
440,000

Claim and reversals
(237,000
)
 
(197,000
)
 
(440,000
)
Ending Balance
$
571,000

 
$
649,000

 
$
518,000