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Note 3 - Accounts Receivable and Unbilled Receivables (Tables)
6 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
 
 
As of
 
 
As of
 
 
 
March 31, 2016
 
 
September 30, 2015
 
Accounts receivable
  $ 2,109     $ 2,228  
Unbilled receivables
    201       306  
Subtotal
    2,310       2,534  
Allowance for doubtful accounts
    (71 )     (71 )
Accounts receivable and unbilled receivables, net
  $ 2,239     $ 2,463