Note 15 - Commitments and Contingencies (Detail) (USD $)	3 Months Ended	6 Months Ended
Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013	Sep. 30, 2012
Loss Contingency, Damages Sought, Value			$ 16,200,000
Loss Contingency, Estimate of Possible Loss	536,000		536,000	338,000
Legal Fees	334,000	238,000
Pending Litigation [Member]
Loss Contingency, Estimate of Possible Loss	600,000		600,000
Threatened Litigation [Member]
Loss Contingency, Estimate of Possible Loss	$ 536,000		$ 536,000	$ 338,000

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

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+ Details