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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 |

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- Definition Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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