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WARRANTIES (Tables)
 9 Months Ended
Sep. 30, 2013
Product Warranties Disclosures [Abstract]  
Changes in entity's product warranty liability
Information in regards to the changes in the Company’s product warranty liability for the nine months ended September 30, 2013 is as follows (in thousands):

Balance at December 31, 2012
$
802

Additions charged to cost of product sales
633

Repairs and replacements
(197
)
Balance at September 30, 2013
$
1,238