Note 2 - Summary of Significant Accounting Policies - Property, Plant and Equipment Useful Lives (Details)	12 Months Ended
	Sep. 30, 2016
Tools, Dies and Molds [Member]
Property, Plant and Equipment Useful Lives (Year)	3 years
Minimum [Member] | Building [Member]
Property, Plant and Equipment Useful Lives (Year)	10 years
Minimum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment Useful Lives (Year)	3 years
Maximum [Member] | Building [Member]
Property, Plant and Equipment Useful Lives (Year)	40 years
Maximum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment Useful Lives (Year)	10 years