Note 10 - Stockholders' Equity (Details 1) (USD $)	Jun. 30, 2012	Sep. 30, 2011
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.12	$ 0.12
Options outstanding	42,716,316	38,866,316
Weighted average remaining contractual life	2 years 5 months 16 days
Options exercisable	42,267,960
Weighted average remaining contractual life	2 years 5 months 12 days
Exercise Price 1 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.06
Options outstanding	7,415,000
Weighted average remaining contractual life	3 years 2 months 8 days
Options exercisable	7,358,699
Weighted average remaining contractual life	3 years 2 months 5 days
Exercise Price 2 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.07
Options outstanding	2,000,000
Weighted average remaining contractual life	3 years 6 months
Options exercisable	2,000,000
Weighted average remaining contractual life	3 years 6 months
Exercise Price 3 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.09
Options outstanding	2,000,000
Weighted average remaining contractual life	3 years 6 months
Options exercisable	2,000,000
Weighted average remaining contractual life	3 years 6 months
Exercise Price 4 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.1
Options outstanding	9,416,850
Weighted average remaining contractual life	2 years 25 days
Options exercisable	9,416,850
Weighted average remaining contractual life	2 years 25 days
Exercise Price 5 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.12
Options outstanding	8,450,940
Weighted average remaining contractual life	1 year 9 months 11 days
Options exercisable	8,450,940
Weighted average remaining contractual life	1 year 9 months 11 days
Exercise Price 6 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.14
Options outstanding	500,000
Weighted average remaining contractual life	2 years 9 months 18 days
Options exercisable	107,945
Weighted average remaining contractual life	2 years 9 months 18 days
Exercise Price 7 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.15
Options outstanding	9,000,000
Weighted average remaining contractual life	2 years 9 months 18 days
Options exercisable	9,000,000
Weighted average remaining contractual life	2 years 9 months 18 days
Exercise Price 8 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.17
Options outstanding	1,000,000
Weighted average remaining contractual life	3 years 11 months 1 day
Options exercisable	1,000,000
Weighted average remaining contractual life	3 years 11 months 1 day
Exercise Price 9 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price	$ 0.25
Options outstanding	2,933,526
Weighted average remaining contractual life	5 months 19 days
Options exercisable	2,933,526
Weighted average remaining contractual life	5 months 19 days