Availability of letters of credit that can be issued.

No definition available.

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- Definition

EBITDA to net interest expense ratio

+ References

No definition available.

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- Definition

Line of credit facility, expiration month year.

+ References

No definition available.

+ Details

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- Definition

Amount represents maximum amount of letters of credit that can be issued.

+ References

No definition available.

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- Definition

Minimum access to liquidity amount.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Percentage of minimum annual net income.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4297-108586

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Balance Type:	credit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

+ Details

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- Definition

The effective interest rate at the end of the reporting period.

+ References

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- Definition

Description of interest rate for borrowing under credit facility. Includes, but is not limited to, terms and method for determining interest rate.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
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- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of minimum net worth required for mortgage banking as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Lines of Credit - Narrative (Detail)			3 Months Ended		12 Months Ended
Lines of Credit - Narrative (Detail)	Aug. 19, 2022 USD ($)	Jun. 24, 2022 USD ($)	Jul. 31, 2022 USD ($)	Aug. 01, 2021 USD ($)	May 01, 2022 USD ($)	Jul. 31, 2022 CNY (¥)
Revolving Credit Facility [Member] \| United States [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity		$ 40,000,000			$ 30,000,000
Expiration date					Aug. 15, 2022
Maximum amount of letters of credit		$ 1,000,000			$ 1,000,000
Expiration month year		2025-06
Minimum tangible net worth		$ 100,000,000
Percentage of minimum annual net income		50.00%
EBITDA to net interest expense ratio		3.0
Minimum access to liquidity amount		$ 15,000,000
Applicable interest rate at end of period			2.88%	1.69%	2.40%	2.88%
Interest rate description			Interest was charged under the Amended Agreement at a rate calculated using the Applicable Margin over SOFR based on the ratio of the company’s consolidated debt to consolidated EBITDA		Interest was charged at a rate as a variable spread over LIBOR based on a ratio of debt to EBITDA
Reference rate on which the interest rate is based			SOFR		LIBOR
Letters of credit, outstanding amount			$ 275,000	$ 275,000	$ 275,000
Outstanding amount			0	0	0
Interest paid during the year			8,000	0
Revolving Credit Facility [Member] \| United States [Member] \| Letters of Credit [Member]
Line Of Credit Facility [Line Items]
Remaining letters of credit			725,000
Revolving Credit Facility [Member] \| United States [Member] \| Subsequent Event [Member]
Line Of Credit Facility [Line Items]
Minimum access to liquidity amount	$ 15,000,000
Revolving Credit Facility [Member] \| United States [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate		1.35%
Revolving Credit Facility [Member] \| United States [Member] \| Minimum [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate		1.35%
Revolving Credit Facility [Member] \| United States [Member] \| Maximum [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Line Of Credit Facility [Line Items]
Debt instrument, basis spread on interest rate		2.50%
Revolving credit agreements [Member] \| China [Member] \| Chinese Yuan Renminbi [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity			$ 5,900,000			¥ 40,000,000
Expiration date			Nov. 15, 2022
Interest rate description			Interest charged under this agreement is based on an interest rate determined by the Chinese government at the time of borrowing
Outstanding amount			$ 0	0	0
Revolving credit agreements [Member] \| China [Member] \| United States Dollar [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity			$ 2,000,000
Expiration date			Aug. 30, 2022
Interest rate description			Interest charged under this agreement is based on an interest rate determined by the Chinese government at the time of borrowing.
Outstanding amount			$ 0	$ 0	$ 0