Annual report pursuant to Section 13 and 15(d)

Statements of Stockholders' Equity (Parenthetical)

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Statements of Stockholders' Equity (Parenthetical) - USD ($)
3 Months Ended 10 Months Ended 12 Months Ended
Nov. 09, 2015
May 26, 2016
Jun. 09, 2015
Jul. 31, 2016
Jul. 31, 2015
Statement of Stockholders' Equity [Abstract]          
Payment of finance and offering costs $ 613,915 $ 767,700 $ 1,091,794 $ 1,381,615 $ 1,091,794