Note 6 - Stock Compensation Expense (Tables)

3 Months Ended

Dec. 31, 2012

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

				Options Outstanding
Range of  Exercise Prices				Number		Wtd. Avg.  Remaining Life (years)		Wtd. Avg.  Exercise Price		Aggregate  Intrinsic Value
	$ 5.47	-	5.72		917,305		7	$	5.71	$	1,869,629
	8.02	-	8.60		105,175		5		8.32		-
	11.94	-	24.12		115,000		4		15.40		-
	31.07	-	36.73		75,000		3		33.33		-
	$ 5.47	-	36.73		1,212,480					$	1,869,629

				Options Exercisable
Range of Exercise Prices				Number		Wtd. Avg. Remaining Life (years)		Wtd. Avg. Exercise Price		Aggregate Intrinsic Value
	$5.47	-	5.72		262,305		7	$	5.69	$	539,979
	8.02	-	8.60		67,675		2		8.49		-
	11.94	-	24.12		115,000		4		15.40		-
	31.07	-	36.73		75,000		3		33.33		-
	$5.47	-	36.73		519,980					$	539,979

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Assumptions	Fiscal 2012				Fiscal 2011			Fiscal 2010
Expected life of option (years)		3	-	5		5			3.8
Risk-free interest rate		0.4%	-	0.8%		2.4	%		0.4	%
Volatility of stock		72%	-	79%		73	%		77	%
Forfeiture rate		0%	-	16%		0	%		0	%