Commitments and Contingencies (Tables)

9 Months Ended

12 Months Ended

Jan. 31, 2015

Apr. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

The following is a schedule by years of future minimum lease payments under this capital lease together with the present value of the net minimum lease payments as of January 31, 2015:

For the Years Ended April 30,	2015	$	6
	2016		23
	2017		24
	2018		25
	2019		26
	2020		16
Total minimum lease payments		$	120
Less: current maturity			(22)
Long-term maturity			98

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

2015	$	102,826
2016		85,185
2017		49,691
Total	$	237,702