Commitments and Contingencies (Tables)

12 Months Ended

Apr. 30, 2018

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
2019	$	1,190
2020		995
2021		787
2022		538
2023		316
Total minimum lease payments	$	3,826