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

9 Months Ended

Jun. 30, 2015

Notes Tables

Investments Classified by Contractual Maturity Date [Table Text Block]

	June 30, 2015		September 30, 2014
Less than one year	$	7,945,000	$	6,632,000
1-3 years		7,722,000		8,302,000
Total	$	15,667,000	$	14,934,000