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WARRANTIES (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Changes in Entity's Product Warranty Liability [Abstract]  
Balance at December 31, 2011 $ 1,500
Additions Charged to Cost of Product Sales 335
Repairs and Replacements (469)
Balance at September 30, 2012 $ 1,366