Note 11 - Commitments and Contingencies (Details Textual)	1 Months Ended	12 Months Ended
	Sep. 30, 2006	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2012 USD ($)	Nov. 29, 2011 ft²
Change of Control Severance Benefit Plan [Member]
Lump Sum Payment of Base Salary		2 years
Continuation of Health Benefits		2 years
President and Chief Executive Officer [Member]
Maximum Number of Months Salary Paid as Severance Benefit	180 days
Area of Leased Facility | ft²					31,360
Operating Leases, Average Monthly Payments Due, Current				$ 16,306
Operating Leases, Average Monthly Payments, Due in Second Year				25,088
Operating Leases, Average Monthly Payments, Due in Third Year				26,656
Operating Leases, Average Monthly Payments, Due in Fourth Year				28,224
Operating Leases, Average Monthly Payments, Due in Fifth Year				29,792
Operating Leases, Average Monthly Payments, Due in Sixth Year				$ 31,360
Operating Leases, Rent Expense, Net		$ 356,107	$ 337,099
Accrued Bonuses			2,711,223
Defined Contribution Plan, Employer Discretionary Contribution Amount		$ 135,229	$ 201,056