Commitments and Contingencies (Tables)

12 Months Ended

Apr. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Future minimum lease payments due each fiscal year are as follows (in thousands):

2017	$	192,013
2018		64,149
2019		—
Total	$	256,162