Note 6 - Earnings Per Common Share - Summary of Earnings Per Share Calculation (Details) - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Basic Income (Loss) Per Share
Income (Loss) available to common stockholders	$ (313,706)	$ (47,189)
Shares denominator (in shares)	2,853,107	1,638,215
Per share amount (in dollars per share)	$ (0.11)	$ (0.03)
Effect of Dilutive Securities
Average shares outstanding (in shares)	2,853,107	1,638,215
Warrants and options (in shares)
(in shares)	2,853,107	1,638,215
Diluted Income (Loss) Per Share
Income (Loss) available to common stockholders	$ (313,706)	$ (47,189)
Per share amount (in dollars per share)	$ (0.11)	$ (0.03)