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Note 2 - Inventories (Tables)
12 Months Ended
Sep. 30, 2012
Schedule of Inventory, Current [Table Text Block]
   
September 30, 2012
   
September 30, 2011
 
   
(Amounts in thousands)
 
Raw materials
  $ 941     $ 886  
Work-in-process
    1,407       539  
Finished goods
    3,928       5,352  
Total
  $ 6,276     $ 6,777