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Schedule of Other Operating Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Traditional Communications—net2phone indemnification claim	$ (25)
Traditional Communications—Carrier Services settlement		(554)
Total other operating expense, net	(88)	(252)
Straight Path [Member]
Corporate—Straight Path Communications Inc. class action legal fees	(978)	(321)
Corporate—Straight Path Communications Inc. class action insurance claims	$ 915	$ 623

X

- Definition

Traditional Communications-Carrier Services settlement.

+ References

No definition available.

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- Definition

Traditional Communications-net2phone indemnification claim.

+ References

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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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- Definition

The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

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- Definition

Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=114868883&loc=SL114871943-224233

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