Note 12 - Significant Customers

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

12. Significant Customers

The Company had

one

customer that represented

27%

and

26%

of revenue for the

three

and

nine

months ended

September 30, 2019,

respectively. The Company had

one

customer that represented

31%

of revenue for the

three

and

nine

months ended

September 30, 2018.

The Company had

two

customers that represented

17%

and

13%

of the total accounts receivable balance as of

September 30, 2019

and

one

customer that represented

20%

of the total accounts receivable balance as of

December 31, 2018.