Note 12 - Share-Based Compensation (Details) - Share-based Compensation (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Share-based Compensation [Abstract]
Outstanding October 1, 2013	2,394,476
Outstanding October 1, 2013	$ 1.89
Outstanding September 30, 2014	2,530,535	2,394,476
Outstanding September 30, 2014	$ 2.09	$ 1.89
Exercisable September 30, 2014	2,004,750
Exercisable September 30, 2014	$ 2.18
Granted	786,000
Granted	$ 1.77
Forfeited/expired	(37,000)
Forfeited/expired	$ 2.00
Exercised	(612,941)	(526,206)
Exercised	$ 0.89