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Note 4 - Debts and Commitments (Tables)
12 Months Ended
Sep. 30, 2015
Notes Tables  
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]
   
Payments due by Fiscal Year
 
   
2016
   
2017
   
2018
   
2019
   
2020
   
2021
and after
   
Total
 
Obligations under operating
leases
  $ 629,000     $ 476,000     $ 303,000     $ 294,000     $ 25,000     $ ---     $ 1,727,000  
Long-term accrued liabilities*
    ---       9,000       6,000       ---       ---       32,000       47,000  
    $ 629,000     $ 485,000     $ 309,000     $ 294,000     $ 25,000     $ 32,000     $ 1,774,000