Major Customers

3 Months Ended

Jul. 31, 2011

Major Customers [Abstract]

Major Customers

Major Customers

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

	July 31, 2011	July 31, 2010
Revenue:
From unrelated customers	Three customers accounted for 55% of total revenue or 32%, 12% and 11% individually.	No individual customer accounted for more than 10% of total revenue.
From related customers	Two customers accounted for 29% of total revenue or 16% and 13% individually.	Two customers accounted for 79% of total revenue or 54% and 25% individually.