Note 11 - Significant Customers

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

11. Significant Customers

The Company had

one

customer that represented

11%

of revenue for the

six

months ended

June 30, 2020

and

one

customer that represented

26%

of revenue for the

six

months ended

June 30, 2019.

The Company had

one

customer that represented

30%

of the total accounts receivable balance as of

June 30, 2020

and

two

customers that represented

13%

and

11%,

respectively, of the total accounts receivable balance as of

December 31, 2019.