Note 6 - Stock-Based Compensation and Preferred Stock (Details) (USD $)	1 Months Ended	12 Months Ended				1 Months Ended		12 Months Ended	3 Months Ended
	Mar. 31, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2013 Employees [Member]	Mar. 31, 2013 Board of Directors [Member]	Mar. 31, 2012 Board of Directors [Member]	Sep. 30, 2013 Board of Directors [Member]	May 31, 2011 Board of Directors and Certain Employees [Member]
Note 6 - Stock-Based Compensation and Preferred Stock (Details) [Line Items]
Percentage Increase In Number of Shares of Incentive Stock Plan Upon Issuance of Additional Shares		10.00%
Common Stock, Capital Shares Reserved for Future Issuance		1,024,656
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		280,141
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					4 years
Stock Options, Expiration Period					10 years			10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value (in Dollars)		$ 940	$ 2,640	$ 5,670
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		30,000	250,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate		0.00%
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)		111,189
Stock Issued During Period, Shares, Restricted Stock Award, Gross						31,815	31,969		58,920
Restricted Stock Holding Period	12 months
Fair Value of Restricted Shares Upon Issuance (in Dollars)		$ 70,000	$ 70,000	$ 170,000
Stock-based Compensation, Amortization Period		12 months