Note 8 - Concentrations

12 Months Ended

Mar. 31, 2017

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

NOTE

8.

CONCENTRATIONS

     The following table summarizes customers comprising

10%

or more of revenue for fiscal

2017,

2016,

and

2015:

 

	% of Revenue for Year Ended March 31
	2017			2016			2015
Customer A		22	%		23	%		20	%
Customer B		20	%		20	%		16	%
Customer C		*			*			14	%
Customer D		*			*			12	%

*Less than

10%

 
     As of

March

 

31,

2017

the

two

largest customers accounted for

40%

of our accounts receivable, and as of

March

 

31,

2016

the

two

largest customers accounted for

36%.

We believe the receivable balances from these largest customers do not represent a significant credit risk based on past collection experience.

     Revenue by geographic region was as follows:
 

	Year Ended March 31
	2017		2016		2015
United States	$	13,600,236	$	12,392,053	$	11,919,548
Europe, the Middle East, and Africa		9,612,883		11,392,046		13,779,392
Asia-Pacific		4,200,934		3,113,484		4,318,209
Rest of World		912,143		819,695		566,939
Total Revenue	$	28,326,196	$	27,717,278	$	30,584,088