Note 6 - Property and Equipment (Details) - USD ($)	9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Sep. 30, 2015
Machinery and Equipment [Member]
Property and equipment	$ 958,072	$ 940,289
Furniture and Fixtures [Member]
Property and equipment	1,004,269	877,011
Leasehold Improvements [Member]
Property and equipment	71,738	67,913
Property and equipment	2,034,079	1,885,213
Accumulated depreciation	(1,527,428)	(1,413,250)
Property and equipment, net	506,651	471,963	$ 471,963
Depreciation expense	$ 128,833	$ 178,179