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Other (Expense) Income, Net (Details) - Schedule of other (expense) income, net - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Schedule of other (expense) income, net [Abstract]
Foreign currency transaction gains (losses)	$ 370	$ (696)
Write-off of tax assets related to prior periods	(1,346)
(Loss) gain on investments	(336)	1,779
Other	45	(401)
TOTAL	$ (1,267)	$ 682

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Write-off of tax assets related to prior periods.

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Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 50
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Amount of realized and unrealized gain (loss) on investment.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Amount of income (expense) related to nonoperating activities, classified as other.

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