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CONSOLIDATED STATEMENTS OF OPERATIONS (PARENTHETICAL) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Gain on disposal $ 0 $ 1,962 $ 0
Interest paid/payable related party 14 13 14
Other income Received/receivable related party 143 144 154
Manufactured products [Member]
     
Revenues from related parties 2,669 3,663 3,806
Costs from related parties 23,857 46,953 45,925
Distributed products [Member]
     
Costs from related parties 9,083 7,484 4,056
Discontinued Operation [Member]
     
Gain on disposal   1,962  
Revenues from related parties   317 4
Costs from related parties   $ 693 $ 54