Note 14 - Net Loss Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($)	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Numerator:
Loss available to common stockholders	$ (876,754)	$ (1,281,599)
Denominator:
Weighted average common shares outstanding (in shares)	31,855,430	31,970,600
Basic loss income per common share (in dollars per share)	$ (0.03)	$ (0.04)
Diluted loss income per common share (in dollars per share)	$ (0.03)	$ (0.04)