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)
3 Months Ended
Dec. 31, 2015
Notes Tables  
Investments Classified by Contractual Maturity Date [Table Text Block]
    December 31,
2015
  September 30,
2015
Less than one year   $ 8,746,000     $ 7,925,000  
1-3 years     6,767,000       8,290,000  
Total   $ 15,513,000     $ 16,215,000