Covenant maximum amount to pay dividends and repurchasing stock.

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- Definition

Minimum unencumbered liquid assets to be in compliance with the covenant clauses of the debt agreement.

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No definition available.

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- Definition

Debt to EBITDA ratio.

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No definition available.

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Fourth price level for ratio of debt to EBITDA.

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No definition available.

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- Definition

The percentage of equity interest pledge as collateral under the credit agreement.

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No definition available.

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- Definition

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

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No definition available.

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- Definition

Minimum EBITDA to interest expense ratio.

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No definition available.

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- Definition

Percentage of liens and other indebtedness reduced due to seventh amendment.

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No definition available.

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- Definition

Percentage of pricing matrix increased.

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No definition available.

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Seventh amendment reduced annual capital expenditure.

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No definition available.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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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.

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-SubTopic 10
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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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

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

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Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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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.

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No definition available.

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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.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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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.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Lines of Credit and Paycheck Protection Plan Loan - Narrative (Detail)				1 Months Ended	12 Months Ended
	Jun. 30, 2020	Mar. 27, 2020 USD ($)	Apr. 28, 2019 USD ($)	Jun. 30, 2020 USD ($)	May 02, 2021 USD ($)	May 03, 2020 USD ($)	Apr. 28, 2019 USD ($)	Apr. 29, 2018 USD ($)	May 03, 2020 CNY (¥)	Apr. 15, 2020 USD ($)	Mar. 26, 2020 USD ($)
Line Of Credit Facility [Line Items]
Outstanding amount						$ 29,750,000
Repayments of debt							$ 12,000,000	$ 19,000,000
Paycheck Protection Program (PPP) loan amount						7,606,000
Interest paid during the year						$ 124,000	54,000	$ 181,000
Paycheck Protection Program, CARES Act [Member]
Line Of Credit Facility [Line Items]
Paycheck Protection Program (PPP) loan amount										$ 7,600,000
Revolving Credit Facility [Member] \| United States [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity			$ 25,000,000				25,000,000
Maximum amount of letters of credit			$ 1,000,000				$ 1,000,000
Expiration date			Aug. 15, 2020
Percentage of common stock in subsidiary pledge as collateral						65.00%
Applicable interest rate at end of period			3.93%			1.75%	3.93%		1.75%
Interest rate description						Interest was charged at a rate as a variable spread over LIBOR based on our ratio of debt to EBITDA.
Reference rate on which the interest rate is based						LIBOR
Letters of credit, outstanding amount			$ 250,000			$ 250,000	$ 250,000
Outstanding amount			0			29,800,000	0
Repayments of debt				$ 29,800,000
Revolving Credit Facility [Member] \| United States [Member] \| Sixth Amendment to Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity		$ 30,000,000									$ 25,000,000
Unencumbered liquid assets maintenance covenant		$ 10,000,000									$ 15,000,000
Minimum EBITDA to interest expense ratio		3.00%
Revolving Credit Facility [Member] \| United States [Member] \| Sixth Amendment to Credit Agreement [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
Debt to EBITDA ratio		3.00%
Fourth price level for ratio of debt to EBITDA		3.00%
Revolving Credit Facility [Member] \| United States [Member] \| Sixth Amendment to Credit Agreement [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Fourth price level for ratio of debt to EBITDA		2.25%
Revolving Credit Facility [Member] \| United States [Member] \| Seventh Amendment to Credit Agreement [Member] \| Scenario Forecast [Member]
Line Of Credit Facility [Line Items]
Annual capital expenditures					$ 10,000,000
Revolving Credit Facility [Member] \| United States [Member] \| Seventh Amendment to Credit Agreement [Member] \| Subsequent Event [Member]
Line Of Credit Facility [Line Items]
Reduced percentage of allowable liens and other indebtedness				5.00%
Revolving Credit Facility [Member] \| United States [Member] \| Seventh Amendment to Credit Agreement [Member] \| Price Level I [Member] \| Subsequent Event [Member]
Line Of Credit Facility [Line Items]
Percentage of pricing matrix increased	1.60%
Revolving Credit Facility [Member] \| United States [Member] \| Seventh Amendment to Credit Agreement [Member] \| Price Level II [Member] \| Subsequent Event [Member]
Line Of Credit Facility [Line Items]
Percentage of pricing matrix increased	2.05%
Revolving Credit Facility [Member] \| United States [Member] \| Seventh Amendment to Credit Agreement [Member] \| Price Level III [Member] \| Subsequent Event [Member]
Line Of Credit Facility [Line Items]
Percentage of pricing matrix increased	2.50%
Revolving Credit Facility [Member] \| United States [Member] \| Seventh Amendment to Credit Agreement [Member] \| Price Level IV [Member] \| Subsequent Event [Member]
Line Of Credit Facility [Line Items]
Percentage of pricing matrix increased	3.00%
Revolving Credit Facility [Member] \| United States [Member] \| Seventh Amendment to Credit Agreement [Member] \| Maximum [Member] \| Subsequent Event [Member]
Line Of Credit Facility [Line Items]
Maximum allowable payment of dividends or stock repurchase				$ 10,000,000
Revolving Credit Facility [Member] \| United States [Member] \| Letters of Credit [Member]
Line Of Credit Facility [Line Items]
Remaining letters of credit						750,000
Revolving credit agreement [Member] \| China [Member]
Line Of Credit Facility [Line Items]
Maximum borrowing capacity						$ 5,700,000			¥ 40,000,000
Expiration date						Dec. 04, 2020
Applicable interest rate at end of period						2.41%			2.41%
Interest rate description						Interest is charged at a rate (applicable interest rate of 2.41% at May 3, 2020) determined by the Chinese government
Outstanding amount			$ 0			$ 1,000,000	$ 0
Repayments of debt				$ 1,000,000