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Inventories
12 Months Ended
Dec. 31, 2012
Inventory Disclosure [Text Block]

3.       Inventories 


        Inventories consist of the following (in thousands):


 

December 31,

 

2012

 

2011

Raw materials

$ 4,340

 

$ 4,135

Work in progress

1,815

 

3,790

Finished goods

2,542

 

2,363

Inventories

$ 8,697

 

$ 10,288