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Note 4 - Inventories
3 Months Ended
Mar. 31, 2012
Inventory Disclosure [Text Block]
4.        Inventories

Inventories are valued at the lower of cost, using the first-in, first-out (“FIFO”) method, or market.  Inventories at March 31, 2012 and December 31, 2011 consist of:

 
     
March 31, 2012
     
December 31, 2011
 
      (Unaudited)       (Audited)  
      (amounts in thousands)  
     Raw materials
  $ 1,135     $ 1,070  
     Work in progress
    56       16  
     Finished goods
     8        109  
          Total
  $ 1,199     $ 1,195