Major Customers (Tables)

3 Months Ended

Jul. 31, 2012

Major Customers [Abstract]

Major Customers

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

	Three Months Ended
	July 31, 2012	July 31, 2011
Revenue:
From unrelated customers	One customer from the voting segment accounted for 19% of total revenue.	Two customers from the voting segment accounted for 44% of total revenue and one customer from the gaming segment accounted for 11% of total revenue.
From related customers	Two customers from the gaming segment accounted for 65% of total revenue.	Two customers from the gaming segment accounted for 29% of total revenue.