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Note 3 - Accounts Receivable and Unbilled Receivables
 3 Months Ended
Dec. 31, 2015
Notes to Financial Statements  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
3. Accounts Receivable and Unbilled Receivables
 
Accounts receivable and unbilled receivables consists of the following:
 
 
 
As of
 
 
As of
 
 
 
December 31, 2015
 
 
September 30, 2015
 
Accounts receivable
   $ 2,377     $ 2,228  
Unbilled receivables
     201       306  
Subtotal
     2,578       2,534  
Allowance for doubtful accounts
     (71 )     (71 )
Accounts receivable and unbilled receivables, net
   $ 2,507     $ 2,463