Note 2 - Summary of Significant Accounting Policies (Details Textual)	3 Months Ended												12 Months Ended
	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)
Revenue, Net	$ 2,692,040	$ 1,530,244	$ 1,046,624	$ 1,376,872	$ 1,794,910	$ 1,804,614	$ 1,091,182	$ 1,162,218	$ 2,008,715	$ 2,130,412	$ 1,116,467	$ 1,050,242	$ 6,645,780	$ 5,852,924	$ 6,305,836
Cash and Cash Equivalents, at Carrying Value	3,060,734				346,405				$ 390,327				3,060,734	346,405	390,327	$ 938,852
Inventory Valuation Reserves	235,592				251,500								235,592	251,500
Depreciation													133,422	68,686	62,195
Advertising Expense													$ 22,979	22,764	9,017
Customer Lists [Member]
Finite-Lived Intangible Asset, Useful Life													11 years
Amortization of Intangible Assets													$ 20,000	$ 0	$ 0
Accounts Receivable [Member] | Automotive Industry [Member]
Concentration Risk, Percentage													17.00%	80.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Accounts Receivable, Net	$ 52,000				$ 741,000								$ 52,000	$ 741,000
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member]
Number of Customers													1	1	1
Revenue, Net													$ 1,306,000	$ 2,158,000	$ 2,768,000