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Commitments and Contingencies (Tables) | 12 Months Ended
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Apr. 30, 2016
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 |
2017 |  | $ | 1,394 |
2018 |  |  | 1,058 |
2019 |  |  | 632 |
2020 |  |  | 303 |
2021 |  |  | 64 |
Total minimum lease payments |  | $ | 3,451 |

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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