Note 6 - Stock Compensation Expense (Tables)

3 Months Ended

Dec. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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		525,203	6	$	5.71	$	5,800,489
7.09	-	8.60		141,338	4		7.92		1,248,156
11.94	-	15.99		90,000	2		13.55		288,225
	31.07			45,000	3		31.07		-
$5.47	-	31.07		801,541				$	7,336,870

			Options Exercisable
Range of Exercise Prices			Number		Wtd. Avg. Remaining Life (years)	Wtd. Avg. Exercise Price		Aggregate Intrinsic Value
$5.47	-	5.72		200,203	5	$	5.68	$	2,174,377
7.09	-	8.60		110,088	3		7.92		904,468
11.94	-	15.99		90,000	2		13.55		288,225
	31.07			45,000	3		31.07		-
$5.47	-	31.07		445,291				$	3,367,070

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

Assumptions	Fiscal 2013			Fiscal 2012
Expected life of option (years)	3	-	5	3	-	5
Risk-free interest rate	0.4%	-	0.9%	0.4%	-	0.8%
Volatility of stock	59%	-	75%	72%	-	79%
Forfeiture rate	0%	-	16%	0%	-	16%