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COMMITMENTS AND CONTINGENCIES (Tables)
9 Months Ended
Jun. 30, 2016
COMMITMENTS AND CONTINGENCIES [Abstract]  
Product Warranty Reserve Activity
We maintain a warranty reserve that reflects management's best estimate of the cost to replace product that does not meet our specifications and customers' performance requirements, and costs related to such replacement. The warranty reserve is based upon a historical product replacement rate, adjusted for any specific known conditions or circumstances. Additions and deductions to the warranty reserve are recorded in cost of goods sold. Our warranty reserve activity during the first nine months of fiscal 2016 was as follows:

Balance as of September 30, 2015
 
$
209
 
Reserve for product warranty during the reporting period
  
461
 
Settlement of warranty
  
(451
)
Balance as of June 30, 2016
 
$
219