Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details) - Schedule of share-based payment arrangement, option, activity

v3.20.1
Stockholders' Equity (Details) - Schedule of share-based payment arrangement, option, activity
$ / shares in Units, $ in Thousands
9 Months Ended
Apr. 30, 2020
USD ($)
$ / shares
shares
Schedule of share-based payment arrangement, option, activity [Abstract]  
Outstanding at July 31, 2019 | shares 2,351,040
Outstanding, Weighted Average Exercise Price at July 31, 2019 | $ / shares $ 4.53
Awarded, Options | shares 773,032
Awarded, Weighted Average Exercise Price | $ / shares $ 2.40
Cancelled or expired, Options | shares (485,076)
Cancelled or expired, Weighted Average Exercise Price | $ / shares $ 3.71
Outstanding, Options at end of period | shares 2,638,996
Outstanding, Weighted Average Exercise Price at end of period | $ / shares $ 4.05
Outstanding, Weighted Average Remaining Contractual Term 3 years 73 days
Outstanding at end of period | $ $ 637
Exercisable, Options at end of period | shares 1,457,162
Exercisable, Weighted Average Exercise Price at end of period | $ / shares $ 5.10
Exercisable, Weighted Average Remaining Contractual Term 1 year 255 days
Exercisable at end of period | $ $ 78