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

Inventories consist of the following:

   
March 31,
2012
   
September 30,
2011
 
   
(Amounts in thousands)
 
Raw materials
  $ 1,363     $ 886  
Work-in-process
    675       539  
Finished goods
    3,922       5,352  
Total
  $ 5,960     $ 6,777  

Finished goods includes inventory that has been shipped, but for which all revenue recognition criteria has not been met of approximately $1.6 million and $3.4 million as of March 31, 2012 and September 30, 2011, respectively.

Total inventory balances in the table above are shown net of reserves for obsolescence of approximately $4.3 million and $4.3 million as of March 31, 2012 and September 30, 2011, respectively.