Note 9 - Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, Rent Expense		$ 1.4	$ 1.3	$ 1.6
Capital Leases, Income Statement, Interest Expense				$ 0.1
Loss Contingency, Number of Plaintiffs	13