Note 12 - Significant Customers

3 Months Ended

Mar. 31, 2019

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

12. Significant Customers

The Company had

one

customer that represented

27%

of revenue for the

three

months ended

March 31, 2019

and

32%

of revenue for the

three

months ended

March 31, 2018.

The Company had

two

customers that represented

15%

and

11%

of the total accounts receivable balance as of

March 31, 2019

and

one

customer which represented

20%

of the total accounts receivable balance as of

December 31, 2018.