Stockholders' Equity - Summary of Changes in Stockholders' Equity (Details) - USD ($) |
3 Months Ended | 9 Months Ended | 96 Months Ended | ||
|---|---|---|---|---|---|
Apr. 30, 2016 |
Apr. 30, 2015 |
Apr. 30, 2016 |
Apr. 30, 2015 |
Apr. 30, 2016 |
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| Stockholders' Equity Note [Abstract] | |||||
| Stockholders' equity at beginning of period | $ 32,695,621 | $ 38,068,058 | |||
| Net loss | $ (6,251,409) | $ (5,987,345) | (20,326,520) | $ (14,666,698) | $ (66,900,000) |
| Public Offering on November 9, 2015, net of issuance costs of $613,915 | 6,886,095 | ||||
| Stock-based compensation | 4,676,215 | $ 1,650,550 | |||
| Common stock issued in connection with a contractual agreement | $ 55,500 | ||||
| Common stock issued for services | $ 59,250 | ||||
| Exercise of common stock warrants | 775,257 | ||||
| Exercise of common stock options | 1,738 | ||||
| Stockholders' equity at end of period | $ 23,986,911 | $ 25,888,155 | $ 23,986,911 | $ 25,888,155 | $ 23,986,911 |
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- Definition Value of shares of stock issued during the period upon exercise of warrants. No definition available.
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- Definition Value of stock issued during the period as a result of a stock-based compensation contractual agreement. No definition available.
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- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. No definition available.
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- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Value of stock issued as a result of the exercise of stock options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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