10. SEGMENT REPORTING (Customer Concentration)	3 Months Ended		6 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Customer revenue as a percentage of revenue	100.00%	100.00%	100.00%	100.00%
United States (Customer A)
Customer revenue as a percentage of revenue	85.00%	97.00%	88.00%	90.00%
United States (Customer B)
Customer revenue as a percentage of revenue	13.00%	0.00%	8.00%	0.00%
Other Customers
Customer revenue as a percentage of revenue	2.00%	3.00%	4.00%	10.00%