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Related Party Transactions (Details Textual) - USD ($) | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 28, 2013 | Mar. 24, 2011 | Jan. 31, 2016 | Jan. 31, 2015 | Apr. 30, 2015 | Apr. 30, 2014
Common Stock Purchase Price | $ 6.00 | $ 9.00 |  |  |  |
Private Placement [Member] |  |  |  |  |  |
Warrants Issued During Period For Common Stock |  |  |  |  | 248,460 |
Warrants Exercise Price Per Share |  |  |  |  | $ 4.80 |
Stock Issued During Period, Shares, Issued for Services |  |  |  |  | 451,754 |
Common Stock Purchase Price |  |  |  |  | $ 5.76 |
Board of Directors Chairman [Member] |  |  |  |  |  |
Consulting Service Fees |  |  | $ 54,000 | $ 75,000 | $ 62,500 | $ 150,000
Substantial Stockholders [Member] |  |  |  |  |  |
Consulting Service Fees |  |  | $ 8,800 | $ 0 |  |
Board [Member] |  |  |  |  |  |
Consulting Service Fees |  |  |  |  | $ 3,700 | $ 15,800

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- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 + Details
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