Note 6 - Concentration of Revenue

6 Months Ended

Jun. 30, 2017

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

6. Concentration of Revenue – The following table indicates the percentage of consolidated revenue represented by each customer that represented more than 10 percent of consolidated revenue in the three and six month periods ended June 30, 2017 and 2016. 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 7			2016			2017			2016
Customer A		6.1	%		14.7	%		8.1	%		19.0	%
Customer B		8.9	%		3.0	%		10.6	%		2.5	%
Customer C		9.1	%		15.5	%		11.3	%		12.4	%
Customer D		46.6	%		14.9	%		35.1	%		14.8	%
Customer E		5.8	%		10.6	%		7.0	%		9.5	%