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Stockholders' Equity (Details) - Schedule of restricted stock awards
3 Months Ended
Oct. 31, 2017
$ / 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 (1,001)
Vested | $ / shares $ (4.84)
Unvested at end of period | shares 6,435
Unvested at end of period | $ / shares $ 3.85