Note 8 - Concentration of Revenue

6 Months Ended

Jun. 30, 2018

Concentration Risk Disclosure [Text Block]

Concentration of Revenue

–

The following table indicates the percentage of consolidated revenue represented by each customer that represented more than

percent of consolidated revenue in the

three

and

six

month periods ended

June 30, 2018

and

2017.

Most of our customers have multi-year contracts with recurring revenue as well as professional services fees that vary by period depending on their business needs.

	Three Months Ended June 30,						Six Months Ended June 30,
	201 8			2017			2018			2017
Customer A		4.4	%		8.9	%		4.9	%		10.6	%
Customer B		7.0	%		9.1	%		7.2	%		11.3	%
Customer C		15.2	%		46.6	%		17.6	%		35.1	%
Customer D		39.8	%		−	%		34.0	%		−	%