Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Major Customer Concentration

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Note 7 - Major Customer Concentration
 6 Months Ended
Mar. 31, 2018
Notes to Financial Statements  
Concentration Risk Disclosure [Text Block]
Note
7.
Major Customer Concentration
 
The following table summarizes customers comprising
10%
or more of net sales for the
three
and
six
months ended
March 31, 2018
and
March 31, 2017:
 
    Three Months Ended March 31,   Six Months Ended March 31,
    2018   2017   2018   2017
Customer A    
25
 %    
18
 %    
24
 %    
23
 %
Customer B    
16
 %    
15
 %    
14
 %    
15
 %
 
As of
March 31, 2018,
Customers B and A accounted for
22%
and
13%
of accounts receivable, respectively. As of
September 30, 2017,
Customer B accounted for
19%
of accounts receivable. Customers A and B are both distributors.