XML 43 R30.htm IDEA: XBRL DOCUMENT v3.22.2.2

Investments in Marketable Securities (Tables)

12 Months Ended

Jul. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of fair value for available-for-sale securities

July 31, 2022		Amortized cost				Gross unrealized gains				Gross unrealized (losses)				Fair value
		(in thousands)
Available-for-sale securities:
Corporate bonds		$	36,761			$	81			$	(144	)		$	36,698
Total available-for-sale securities		$	36,761			$	81			$	(144	)		$	36,698

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration