Note 5 - Short - Term Financing - Summary of Short-term Borrowings (Details) - USD ($)	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Balance at September 30, 2015, Amount	$ 250,000
Balance at September 30, 2016	4.00%	0.00%
Average during 2015, Amount	$ 83,333
Maximum during 2015 (month end), Amount	$ 250,000