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Related Party Transactions (Details) - Schedule of activities between the Company and IDT - USD ($) $ in Thousands		Jul. 31, 2021	Jul. 31, 2020
Schedule of activities between the Company and IDT [Abstract]
Balance at beginning of year		$ (39)
Legal services provided by IDT		113	107
Consulting services provided to IDT		(144)	(148)
Cash payments received from IDT		64	14
Cash payments made to IDT			(12)
Due from IDT	[1]	$ (6)	$ (39)
[1] Due from IDT is included in other current assets.

X

- Definition

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Cash payments made to IDT.

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Legal services provided by IDT.

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