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WARRANTIES (Tables)
 6 Months Ended
Jun. 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 six months ended June 30, 2013 is as follows (in thousands):

Balance at December 31, 2012
$
802

Additions charged to cost of product sales
353

Repairs and replacements
(205
)
Balance at June 30, 2013
$
950