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Amount of cost to be recognized for option 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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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Price of a single share of a number of saleable stocks of a company.

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Percentage of vesting of award under share-based payment arrangement.

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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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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Share-based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023	Jun. 30, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation expense	$ 700,000	$ 2,100,000	$ 700,000	$ 2,100,000
Granted, shares			272,000
Shares withheld for tax requirements			86,897
Tax withholding payments for share-based compensation			$ 311,000	627,000
Common Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Closing stock price per share	$ 2.12		$ 2.12
Tax withholding payments for share-based compensation			$ 1,000	$ 1,000
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum expiration period of share based payment awards granted			10 years
Granted, shares			272,000	0
Weighted-average grant-date fair value per share			$ 2.52
Unrecognized compensation expense	$ 600,000		$ 600,000
Weighted-average period of recognition			3 years 4 months 24 days
Employee Stock Option \| Share-based Compensation Award, Tranche One [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting rights (as percentage)			25.00%
Performance Shares [Member] \| Share-based Compensation Award, Tranche One [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting rights (as percentage)			25.00%
Performance Shares [Member] \| Share-based Compensation Award, Tranche One [Member] \| Non-Employee Directors [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting rights (as percentage)			100.00%
Nonvested Share Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average period of recognition			2 years 3 months 18 days
Fair value of nonvested share awards			$ 1,000,000	$ 2,000,000
Issuance of nonvested share awards, Shares			366,660	327,112
Weighted-average grant-date fair value per share, granted			$ 3.49	$ 7.91
Unrecognized compensation expenses	3,700,000		$ 3,700,000
Nonvested Share Unit Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value of nonvested share awards			$ 0	$ 0
Issuance of nonvested share awards, Shares			0	0
Unrecognized compensation expenses	$ 0		$ 0
2019 Equity Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of additional shares available for future grant					3,300,000
Shares available for future grant	2,429,640		2,429,640