Segment Information

12 Months Ended

Mar. 31, 2013

Segment Information [Abstract]

Segment Information

NOTE 8. SEGMENT INFORMATION
     We operate in one reportable segment. We manufacture and sell spintronic products, and conduct contract research and development activities.

     The following table summarizes customers comprising 10% or more of revenue for fiscal 2013, 2012, and 2011:
 

	% of Revenue for Year Ended March 31
	2013	2012	2011
Customer A	16%	16%	14%
Customer B	15%	14%	11%
Customer C	14%	*	11%

*Less than 10%

 
     Revenue by geographic region was as follows:
 

	Year Ended March 31
	2013		2012		2011
United States	$	12,006,493	$	13,334,563	$	14,169,952
Europe		10,666,338		10,798,146		12,009,294
Asia		3,979,862		4,130,930		4,576,270
Other	380,726		315,581		441,547
Total Revenue	$	27,033,419	$	28,579,220	$	31,197,063