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
6 Months Ended
Jan. 31, 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 (2,062)
Vested | $ / shares $ (5.92)
Unvested at end of period | shares 5,374
Unvested at end of period | $ / shares $ 3.23