Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Cash, Cash Equivalents and Investments (Tables)

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Note 3 - Cash, Cash Equivalents and Investments (Tables)
 9 Months Ended
Jun. 30, 2013
Cash and Cash Equivalents [Abstract]  
Investments Classified by Contractual Maturity Date [Table Text Block]
   
June 30,
2013
   
September 30,
 2012
 
Less than one year
  $ 8,039,000     $ 9,107,000  
1-3 years
    5,641,000       4,572,000  
Total
  $ 13,680,000     $ 13,679,000