Major Customers

The following table summarizes major customers who individually accounted for more than 10% of revenues for the periods presented.

	Three Months Ended January 31,		Nine Months Ended January 31,

	2012	2011	2012	2011
Revenue:
From unrelated customers	One customer accounted for 48% of total revenue.	Two customers accounted for 43% of total revenue	One customer accounted for 30% of total revenue	One customer accounted for 16% of total revenue
From related customers	One customer accounted for 38% of total revenue	Two customers accounted for 43% of total revenue	One customer accounted for 42% of total revenue	Two customers accounted for 59% of total revenue