Commitments and Contingencies (Tables)

12 Months Ended

Apr. 30, 2013

Commitments And Contingencies Disclosure [Abstract]

Summary of Future Minimum Payment Under Non-Cancelable Leases

Future minimum payments under the above non-cancelable lease arrangements for the years ending April 30 are as follows:

$ in thousands	Operating
2014	$	1,832
2015		1,671
2016		1,298
2017		1,088
2018		825
Thereafter		570
Total minimum lease payments	$	7,284