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Note 4 - Inventories
9 Months Ended
Jun. 30, 2011
Inventory Disclosure [Text Block]
4.           Inventories

Inventories consist of the following:

   
June 30,
2011
   
September 30,
2010
 
   
(Amounts in thousands)
 
Raw materials
  $ 966     $ 1,029  
Work-in-process
    948       439  
Finished goods
    3,672       4,394  
Total
  $ 5,586     $ 5,862  

Finished goods includes inventory that has been shipped, but for which all revenue recognition criteria has not been met of approximately $1.7 million and $2.4 million as of June 30, 2011 and September 30, 2010, respectively.

Total inventory balances in the table above are shown net of reserves for obsolescence of approximately $4.2 million and $4.1 million as of June 30, 2011 and September 30, 2010, respectively.