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Stock-Based Compensation (Details) - Schedule of restricted shares activity - Restricted Stock Units (RSUs) [Member] - $ / shares	12 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
Stock-Based Compensation (Details) - Schedule of restricted shares activity [Line Items]
Number of Shares , Non-vested stock award Beginning	105,128	195,375
Weighted Average Grant Date Fair Value , Non-vested stock award Beginning	$ 2.30	$ 2.33
Number of Shares , Granted	113,831	31,945
Weighted Average Grant Date Fair Value , Granted	$ 3.34	$ 1.97
Number of Shares , Vested	(91,659)	(122,192)
Weighted Average Grant Date Fair Value , Vested	$ 2.24	$ 2.26
Number of Shares , Forfeited
Weighted Average Grant Date Fair Value , Forfeited
Number of Shares , Non-vested stock award Ending	127,300	105,128
Weighted Average Grant Date Fair Value , Non-vested stock award Ending	$ 3.27	$ 2.30

X

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Number of non-vested options outstanding.

+ References

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- Definition

Number of non-vested options forfeited.

+ References

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

+ References

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

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- Definition

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- Definition

Weighted average grant-date fair value of options vested.

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