Note C - Shareholders' Equity (Tables)

12 Months Ended

Sep. 30, 2014

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

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

	2012
Expected volatility		82	%
Expected life (in years)		6
Expected dividends		0	%
Risk-free interest rate		.90	%
Weighted-average grant-date fair value	$	4.12

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of shares			Weighted average exercise price		Weighted average fair value
Outstanding at September 30, 2012		1,029,176		$	3.07
Granted		-			-		-
Cancelled or Forfeited		(9,600	)		5.77
Exercised		(156,057	)		1.97
Outstanding at September 30, 2013		863,519		$	3.24
Granted		-			-		-
Cancelled or Forfeited		(2,450	)		4.43
Exercised		(488,018	)		1.94
Outstanding at September 30, 2014		373,051		$	4.93

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable [Table Text Block]

Year ended	Exercisable		Weighted average remaining contractual life (in years)	Weighted average exercise price
September 30, 2014		313,851	2.63	$	4.67
September 30, 2013		711,802	4.17	$	2.75

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]

Year Ended	Number outstanding		Weighted average remaining contractual life (in years)	Weighted average exercise price		Aggregate intrinsic value
September 30, 2014		373,051	2.52	$	4.93	$	2,908,849
September 30, 2013		863,519	4.09	$	3.24	$	8,801,776

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Number of shares			Weighted average grant date fair value
Unvested shares at September 30, 2012		363,336		$	5.07
Granted		9,090			5.50
Vested		(75,136	)		4.95
Forfeited		(5,000	)		5.10
Unvested shares at September 30, 2013		292,290			5.11
Granted		307,615			13.39
Vested		(79,390	)		5.15
Forfeited		(2,000	)		5.10
Unvested shares at September 30, 2014		518,515		$	10.02