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INVENTORIES (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Inventories Details    
Raw materials $ 5,662 $ 5,275
Work in process 2,986 3,342
Finished goods 7,652 4,671
Allowance for excess or obsolete inventory 1,218 805
Total Inventories $ 15,082 $ 12,483