Note 7 - Major Customer Concentration

3 Months Ended

Dec. 31, 2019

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

Note

7.

Major Customer Concentration

For the

three

months ended

December 31, 2019,

three

customers comprised

18%,

13%,

and

10%,

respectively, or

41%

in the aggregate of the Company’s net sales. All

three

of these customers were distributors. For the

three

months ended

December 31, 2018,

two

customers comprised

18%,

and

14%,

respectively, or

32%

in the aggregate of the Company’s net sales. These customers are both distributors. These major customers, like our other customers, purchase our products from time to time through purchase orders, and we do

not

have any agreements that obligate these major customers to purchase products in the future from us.

As of

December 31, 2019,

two

customers accounted for

14%,

and

11%,

respectively, or

25%

in the aggregate, of accounts receivable. Both of these customers are distributors. As of

September 30, 2019,

two

customers accounted for

16%,

and

12%,

respectively, or

28%

in the aggregate of accounts receivable. Both of these customers are distributors.