Note 9 - Earnings Per Common Share (Details Textual) - $ / shares	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	5,000	20,000	5,000	20,000
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	100,000	200,000	100,000	200,000
Options and Warrants [Member] | Minimum [Member]
Share Price	$ 2.50	$ 2.50	$ 2.50	$ 2.50
Options and Warrants [Member] | Maximum [Member]
Share Price	$ 11	$ 11	$ 11	$ 11
Conversion Rights [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	252,367	252,367	252,367	252,367
Share Price	$ 1.85	$ 1.85	$ 1.85	$ 1.85