Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2013

Accounting Policies [Abstract]

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

	September 30, 2013						September 30, 2012
	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		129,699,000		43,042,000		86,657,000		94,061,000		44,761,000		49,300,000
Bonds		7,295,000		4,934,000		2,361,000		8,095,000		4,931,000		3,164,000
Total	$	136,994,000	$	47,976,000	$	89,018,000	$	102,956,000	$	50,492,000	$	52,464,000