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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2018
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  
Schedule of changes in the carrying amount of the total product warranty liability

 

 

 

 

 

 

 

 

 

 

 

 

 

As of December 31,

 

 

 

 

2018

    

2017

    

 

Balance, beginning of period

 

 

$

581

 

$

671

 

 

Addition to (reduction of) warranty reserve

 

 

 

(350)

 

 

(28)

 

 

Warranty claims

 

 

 

(5)

 

 

(62)

 

 

Balance, end of period

 

 

$

226

 

$

581