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Note 12 - Loss Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Numerator:
Loss available to common stockholders	$ (812,680)	$ (380,073)
Denominator:
Weighted average common shares outstanding (in shares)	31,800,103	32,462,220
Net loss per common share - basic and diluted (in dollars per share)	$ (0.03)	$ (0.01)
Potentially dilutive securities outstanding at period end excluded from the diluted computation as the inclusion would have been antidilutive:
Potentially dilutive securities (in shares)	4,849,002	4,626,947
Equity Option [Member]
Potentially dilutive securities outstanding at period end excluded from the diluted computation as the inclusion would have been antidilutive:
Potentially dilutive securities (in shares)	4,849,002	2,999,002
Warrant [Member]
Potentially dilutive securities outstanding at period end excluded from the diluted computation as the inclusion would have been antidilutive:
Potentially dilutive securities (in shares)		1,627,945