Note 9 - Investments in U.S. Treasury Notes and Bills and Marketable Securities (Tables)

9 Months Ended

Jun. 30, 2013

Investments, Debt and Equity Securities [Abstract]

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

	June 30, 2013						September 30, 2012
	(Unaudited)
	Aggregate fair value		Amortized/Adjusted cost basis		Pretax unrealized gains		Aggregate fair value		Amortized/Adjusted cost basis		Pretax unrealized gains
U.S. Treasury Bills	$	---	$	---	$	---	$	800,000	$	800,000	$	---
Marketable securities
Common stocks		121,104,000		44,761,000		76,343,000		94,061,000		44,761,000		49,300,000
Bonds		7,317,000		4,933,000		2,384,000		8,095,000		4,931,000		3,164,000
Total	$	128,421,000	$	49,694,000	$	78,727,000	$	102,956,000	$	50,492,000	$	52,464,000