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, 2012
Investments Classified by Contractual Maturity Date [Table Text Block]
   
June 30, 2012
   
September 30, 2011
 
Less than one year
  $ 5,837,000     $ 1,849,000  
1-3 years
    4,806,000       2,707,000  
Total
  $ 10,643,000     $ 4,556,000