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INVENTORY
9 Months Ended
Sep. 30, 2011
Inventory Disclosure [Abstract] 
Inventory Disclosure [Text Block]
3.            
INVENTORY

Inventory includes raw materials, work-in-process and finished goods and is recorded at the lower of cost, on the first-in, first-out method, or market (net realizable value).  Work-in-process and finished goods inventories include materials, labor and manufacturing overhead.  Inventory consisted of the following (in thousands):

   
As of September 
30, 2011
   
As of December 
31, 2010
   
Increase
 
Raw materials
  $ 293     $ 237     $ 56  
Work-in-process
    980       977       3  
Finished goods
    484       387       97  
    $ 1,757     $ 1,601     $ 156