Note 10 - Major Customers and Accounts Receivable

6 Months Ended

Jun. 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

June 30, 2019

and

2018,

one

customer accounted for

40%

and

24%

of revenue, while a

second

customer accounted for

18%

and

0%

of revenue, respectively.  For the

six

months ended

June 30, 2019

and

2018,

one

customer accounted for

29%

and

21%

of revenue, while

another

customer accounted for

13%

and

0%

of revenue, respectively.

At

June 30, 2019,

three

customers accounted for

79%

of accounts receivable.  At

December 31, 2018

four

customers accounted for

77%

of accounts receivable.