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ACCRUED WARRANTY (Tables)
6 Months Ended
Jun. 30, 2018
Product Warranties Disclosures [Abstract]  
Accrued Warranty
Changes in the accrued warranty for the six months ended June 30, 2018 are as follows:
Balance, December 30, 2017
$
649,000

Additions
82,000

Claims
(116,000
)
Balance, June 30, 2018
$
615,000