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Property and Equipment (Details Textual) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Nov. 30, 2014 | Jan. 31, 2016 | Jan. 31, 2015 | Jan. 31, 2016 | Jan. 31, 2015 | Apr. 30, 2015
Depreciation |  | $ 31,000 | $ 52,000 | $ 95,000 | $ 166,000 |
Capital Leased Assets, Gross |  | 124,000 |  | $ 124,000 |  | $ 124,000
Monthly Capital Lease Payment | $ 3,000 |  |  |  |  |
Capital Lease Minimum Lease Payment Percentage |  |  |  | 5.00% |  |
Equipment Leased to Other Party [Member] |  |  |  |  |  |
Capital Leases, Balance Sheet, Assets by Major Class, Net, Total | $ 149,000 |  |  |  |  |
Assets Held under Capital Leases [Member] |  |  |  |  |  |
Depreciation |  | $ 6,000 | $ 6,000 | $ 19,000 | $ 12,000 |

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- Definition Percentage price of minimum future obligation of capital lease. + References No definition available. + Details
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- Definition The current monthly payment for capital lease contract. + References No definition available. + Details
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- Definition Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 + Details
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- Definition The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization. + 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 (a) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Details
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- Details
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