Note 21 - Major Customers and Accounts Receivable

9 Months Ended

Sep. 30, 2020

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

21. MAJOR CUSTOMERS AND ACCOUNTS RECEIVABLE

For the

three

months ended

September 30, 2020

and

2019,

one

customer accounted for

13%

and

one

customer accounted for

28%

of revenue, respectively. For the

nine

months ended

September 30, 2020

and

2019,

one

customer accounted for

21%

and

three

customers accounted for

50%

of revenue, respectively.

At

September 30, 2020,

two

customers accounted for 

26%

of accounts receivable. At

December 31, 2019,

three

customers accounted for 

18%,

16%

and

14%

of current accounts receivable, respectively.