Exercise price of share options as percentage of fair market value minimum.

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Maximum employee salary withholdings for purchase of common stock under the terms of the ESSP.

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Employee stock purchase plan (ESPP), purchase period.

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- Definition

Share-based compensation arrangement by share-based payment award, award conversion ratio.

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Share-based compensation arrangement by share-based payment award options offering period.

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No definition available.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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An entity will typically disclose the amount of any repurchase obligation.

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Amount of noncash expense for share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Date the equity-based award expires, in YYYY-MM-DD format.

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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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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Purchase price of common stock expressed as a percentage of its fair value.

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No definition available.

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Equity-Based Compensation - Additional information (Detail) - USD ($)			12 Months Ended
	May 31, 2023	Jan. 19, 2022	Dec. 30, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of option price related to fair market value			100.00%
Common stock shares authorized for further issuance			6,500,000
2012 plan options expiration date			May 13, 2030
Purchase of common stock through payroll deductions			85.00%
Offering periods			2 years
Maximum employee salary withholdings for purchase of common stock under the terms of the ESPP			50.00%
Purchase intervals of a series			6 months
Total intrinsic value of options exercised			$ 99,000	$ 206,000
RSU conversion ratio			100.00%
Employee stock obligation amount			$ 25,000
Equity-based compensation			4,373,000	4,890,000
Discontinued Operations [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation			$ 260,000	229,000
Segment Continuing Operations [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense, tax benefit				446,000
Equity-based compensation				75,000
Inducement Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock pursuant to awards granted		1,200,000
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, expiration period			10 years
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available under issuance of ESPP			445,878
Total unrecognized compensation expense			$ 494,000,000
Unrecognized compensation expenses recognition period			8 months 12 days
Equity-based compensation			$ 641,000	483,000
Employee Stock Purchase Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period			4 years
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation			$ (14,000)	(156,000)
Stock Options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period			3 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expenses recognition period			1 year 14 days
Unrecognized compensation expense			$ 2,000,000
Granted			452,444
Equity-based compensation			$ 2,154,000	$ 2,184,000
Restricted Stock Units (RSUs) \| Inducement Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted				1,200,000
Restricted Stock Units (RSUs) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period			3 years
Restricted Stock Units (RSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period			4 years
2023 Performance Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	525,656
Performance Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expenses recognition period			1 year 1 month 28 days
Unrecognized compensation expense			$ 2,000,000
Granted			525,656
Equity-based compensation			$ 1,592,000	$ 2,379,000
Forfeiture Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation			$ 462,000	1,300,000
Stock Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation				$ 37,000