Note 9 - Stock Options and Stock Purchase Warrants (Tables)

12 Months Ended

Sep. 30, 2012

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

	Year Ended September 30, 2012			Year Ended September 30, 2011
Expected volatility		117.00%			73.02%
Risk-free interest rate		1.00%			1.60%
Forfeiture rate	0.0%	-	5.0%	0.0%	-	5.0%
Dividend yield		0.00%			0.00%
Expected life in years		5			4.48

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

	September 30, 2012									September 30, 2011
	Shares			Weighted- Average Exercise Price		Aggregate Intrinsic Value (3)		Weighted- Average Life (Years)		Shares			Weighted- Average Exercise Price		Aggregate Intrinsic Value (2)		Weighted- Average Life (Years)
Outstanding beginning of period		774,576		$	3.33						590,078		$	3.22
Granted		5,000		$	1.50						190,000		$	3.62
Exercised		-									(600	)	$	3.00
Cancelled		(9,803	)	$	6.75						(4,902	)	$	5.45
Outstanding end of period (1)		769,773		$	3.21		-		3.0		774,576		$	3.33		-		4.0
Options exercisable at end of period		738,573		$	3.21		-		3.0		516,616		$	3.14		-		3.9

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

Range of exercise prices $	Number outstanding at September 30, 2012 #		Number exercisable at September 30, 2012 #		Weighted average exercise price $		Weighted average remaining contractual life Years		Weighted average exercise price of options exercisable at September 30, 2012 $
$1.50 - $3.00		395,401		395,401		2.78		3.0		2.78
$3.30 - $3.40		278,500		278,500		3.34		2.9		3.34
$3.75 - $6.75		100,672		64,672		5.23		3.3		5.25

Schedule of Warrant Activity [Table Text Block]

	Number			Average Exercise Price Per Share
Shares purchasable under outstanding warrants at October 1, 2010		862,041		$	1.00
Stock purchase warrants granted in connection with land sale		150,000		$	2.50
Stock purchase warrants granted with equity sales		75,000		$	1.00
Stock purchase warrants exercised		(75,000	)	$	1.00
Shares purchasable under outstanding warrants at September 30, 2011		1,012,041		$	1.45
Shares purchasable under outstanding warrants at September 30, 2012		1,012,041		$	1.45

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

Description	Number of Common Shares		Exercise Price Per Share		Expiration Date
Warrants		541,000	$	1.00	December 31, 2014
Warrants		170,000	$	2.50	March 31, 2013
Warrants (1)		51,041	$	2.50	May 28, 2013
Warrants (2)		100,000	$	0.01	May 28, 2013
Warrants		50,000	$	2.50	October 22, 2015
Warrants		50,000	$	2.50	November 12, 2015
Warrants		50,000	$	2.50	January 12, 2016
		1,012,041