Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details) - Schedule of restricted stock awards

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Stockholders' Equity (Details) - Schedule of restricted stock awards
9 Months Ended
Apr. 30, 2018
$ / shares
shares
Schedule of restricted stock awards [Abstract]  
Outstanding at July 31, 2017 | shares 7,436
Outstanding at July 31, 2017 | $ / shares $ 4.45
Vested | shares (2,562)
Vested | $ / shares $ (5.51)
Forfeited | shares (386)
Forfeited | $ / shares $ (5.62)
Unvested at end of period | shares 4,488
Unvested at end of period | $ / shares $ 2.97