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Equity Investments (Details) - Schedule of carrying value of equity investments - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Schedule of carrying value of equity investments [Abstract]
Balance, beginning of period	$ 3,919	$ 1,883
Adoption of change in accounting for equity investments		1,213
Adjusted balance	3,919	3,096
Adjustment for observable transactions involving a similar investment from the same issuer	206	826
Upward adjustments	3
Redemptions	(19)	(3)
Impairments
BALANCE, END OF PERIOD	$ 4,109	$ 3,919

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- Definition

Adoption of change in accounting for equity investments.

+ References

No definition available.

+ Details

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- Definition

Amount of equity investments adjustment.

+ References

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- Definition

Equity securities without readily determinable fair value other upward price adjustment annual amount.

+ References

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X

- Definition

Equity securities without readily determinable fair value, redemptions, annual amount.

+ References

No definition available.

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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- Definition

Amount of impairment loss on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120269885&loc=SL75117539-209714

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- Definition

Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=120269885&loc=SL75117539-209714

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