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)
 6 Months Ended
Mar. 31, 2014
Cash and Cash Equivalents [Abstract]  
Investments Classified by Contractual Maturity Date [Table Text Block]
   
March 31, 2014
   
September 30, 2013
 
Less than one year
  $ 5,981,000     $ 5,992,000  
1-3 years
    9,525,000       6,770,000  
Total
  $ 15,506,000     $ 12,762,000