Note 10 - Major Customers and Accounts Receivable

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

10. Major Customers and Accounts Receivable

The Company had certain customers whose revenue individually represented

10%

or more of the Company’s total revenue, or whose accounts receivable balances individually represented

10%

or more of the Company’s total accounts receivable as follows:

For the

three

months ended

September 30, 2019

and

2018,

one

customer accounted for

27%

and

15%

of revenue, while a

second

customer accounted for

13%

and

15%

of revenue, respectively. For the

nine

months ended

September 30, 2019

and

2018,

one

customer accounted for

29%

and

19%

of revenue, while another customer accounted for

13%

and

7%

of revenue, respectively.

At

September 30, 2019,

three

customers accounted for

72%

of accounts receivable. At

December 31, 2018

four

customers accounted for

77%

of accounts receivable.