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Note 3. Accounts Receivable and Unbilled Receivables (Tables)
12 Months Ended
Sep. 30, 2012
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
   
September 30,
 
   
2012
   
2011
 
Accounts receivable
  $ 3,794     $ 4,197  
Unbilled receivables
    381       365  
Subtotal
    4,175       4,562  
Allowance for doubtful accounts
    (198 )     (288 )
Accounts receivable and unbilled receivables, net
  $ 3,977     $ 4,274