Note 10 - Exploration Costs (Detail) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Lease Expirations and Leasehold Impairments	$ 15,394	$ (12,456)	$ 28,616	$ 299,361
Exploratory Dry Hole Expense	$ 18	$ 54,144	$ 6,563	$ 55,697