Note 9 - Concentrations

3 Months Ended

Mar. 31, 2019

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

Note

9

:      Concentrations

Revenue from customers representing

5%

or more of total revenue for the

three

months ended

March 31, 2019

and

2018,

respectively were:

	Three Months Ended March 31,
Count	2019		2018
1	$	30,322	$	138,519
2		19,674		39,899
3		16,644		34,723
4		16,458		24,193
5		10,562		19,764