Segment Information

12 Months Ended

Mar. 31, 2012

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 2012, 2011, and 2010:
 

	% of Revenue for Year Ended March 31
	2012	2011	2010
Customer A	16%	14%	15%
Customer B	14%	11%	16%
Customer C	*	11%	11%

*Less than 10%

Revenue by geographic region was as follows:
 

	Year Ended March 31
	2012		2011		2010
United States	$	13,334,563	$	14,169,952	$	14,283,819
Europe		10,798,146		12,009,294		9,334,742
Asia		4,130,930		4,576,270		4,133,251
Other	315,581		441,547		395,373
Total Revenue	$	28,579,220	$	31,197,063	$	28,147,185