Note 9 - Stock Options and Stock Purchase Warrants (Detail) - Warrant Activity	Sep. 30, 2012	Oct. 31, 2010
Number	1,012,041	150,000
Average exercise price per share (in Dollars per Item)		2.50
Shares Purchasable Under Outstanding Warrants at Oct 1, 2010 [Member]
Number	862,041
Average exercise price per share (in Dollars per Item)	1.00
Stock Purchase Warrants Granted in Connection with Land Sale [Member]
Number	150,000
Average exercise price per share (in Dollars per Item)	2.50
Stock Purchase Warrants Granted with Equity Sales [Member]
Number	75,000
Average exercise price per share (in Dollars per Item)	1.00
Stock Purchase Warrants Exercised [Member]
Number	(75,000)
Average exercise price per share (in Dollars per Item)	1.00
Shares Purchasable under Outstanding Warrants at Sep 30, 2011 [Member]
Number	1,012,041
Average exercise price per share (in Dollars per Item)	1.45
Share Purchasable under Outstanding Warrants at Sep 30, 2012 [Member]
Number	1,012,041
Average exercise price per share (in Dollars per Item)	1.45