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Note 11. Shareholder's Equity (Tables)

12 Months Ended

Sep. 30, 2012

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

		Stock Options								Stock Warrants
		Options				Weighted Average Exercise Price				Warrants				Weighted Average Exercise Price
Outstanding, September 30, 2010			2,345,705			$	1.01				302,000			$	5.58
Granted			692,000			$	1.20				114,000			$	1.47
Exercised			(117,999	)		$	1.03				—				—
Forfeited or expired			(639,502	)		$	1.24				(209,000	)		$	4.71
Outstanding, September 30, 2011			2,280,204			$	1.00				207,000			$	4.13
Granted			2,094,667			$	0.80				217,931			$	1.40
Exercised			(157,921	)		$	0.84				—				—
Forfeited or expired			(1,227,330	)		$	1.00				(93,000	)		$	7.39
Outstanding, September 30, 2012			2,989,620			$	0.86				331,931			$	1.42

Schedule of Nonvested Share Activity [Table Text Block]

		Shares				Weighted Average Grant-Date Fair Value
Nonvested at September 30, 2011			1,229,261			$	1.05
Granted			2,094,667				0.80
Vested			(419,264	)			0.94
Forfeited			(943,607	)			0.99
Nonvested at September 30, 2012			1,961,057			$	0.83

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

Outstanding Options																Exercisable Options
Exercise Price				Number of Options				Weighted Average Remaining Contractual Life (Years)				Weighted Average Exercise Price				Number of Options Exercisable				Weighted Average Exercise Price
$0.01	to	$0.75			1,359,667				9.04			$	0.65				44,000			$	0.68
$0.76	to	$1.00			1,053,703				6.67				0.89				853,703				0.90
$1.01	to	$1.10			79,000				7.80				1.08				47,004				1.07
$1.11	to	$3.00			497,250				9.00				1.35				83,856				1.20
					2,989,620				8.17			$	0.86				1,028,563			$	0.92

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

		Year Ended September 30,
		2012						2011
Expected option life in years				6.0						6.5
Expected volatility				65.00%						56.00%
Expected dividend rate				0.00%						0.00%
Risk free interest rate				1.13						1.86
Option exercise prices			$0.59	to	$1.48				$1.00	to	$1.58
Weighted average fair value of options granted during the year				$0.51						$0.67

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