Stockholders' Equity - Summary of Changes in Stockholders' Equity (Details) (Parenthetical) - USD ($) |
9 Months Ended | |
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Apr. 30, 2016 |
Apr. 30, 2015 |
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| Stockholders' Equity Note [Abstract] | ||
| Issuance costs, public offering | $ 613,915 | |
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- Definition The cash outflow for cost incurred directly with the issuance of an equity security. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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