Note 9 - Investments in Marketable Securities (Tables)

9 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	June 30, 2016						September 30, 2015
	(Unaudited)
	Aggregate fair value		Amortized/ Adjusted cost basis		Pretax unrealized gains		Aggregate fair value		Amortized/ Adjusted cost basis		Pretax unrealized gains
Marketable securities
Common stocks	$	153,432,000	$	53,442,000	$	99,990,000	$	158,705,000	$	49,604,000	$	109,101,000
Bonds		7,818,000		4,940,000		2,878,000		7,336,000		4,939,000		2,397,000
Total	$	161,250,000	$	58,382,000	$	102,868,000	$	166,041,000	$	54,543,000	$	111,498,000