Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Major Customer Concentration - Customers Comprising 10% or More of Net Sales (Details)

v3.7.0.1
Note 7 - Major Customer Concentration - Customers Comprising 10% or More of Net Sales (Details) - Customer Concentration Risk [Member] - Sales Revenue, Net [Member]
3 Months Ended 6 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Customer A [Member]        
Concentration Risk, Percentage 18.00% 21.00% 23.00% 23.00%
Customer B [Member]        
Concentration Risk, Percentage 15.00% 18.00% 15.00% 15.00%
Customer C [Member]        
Concentration Risk, Percentage 11.00% [1] 10.00% [1]
[1] Less than 10%