Note 15 - Commitments and Contingencies (Detail) (USD $)	3 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012
Loss Contingency, Damages Sought, Value	$ 17,000,000
Loss Contingency, Estimate of Possible Loss	490,000		338,000
Legal Fees	290,000	238,000
Pending Litigation [Member]
Loss Contingency, Estimate of Possible Loss	480,000
Threatened Litigation [Member]
Loss Contingency, Estimate of Possible Loss	$ 490,000		$ 338,000

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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