Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended
	Apr. 29, 2023	Apr. 30, 2022
Income tax expense (benefit)	$ 179,000	$ 60,000
Tax expenses benefits resulting from provisional adjustments	29,000	30,000
Effective income tax reconciliation tax expense due to revaluation of deferred tax assets	$ 77,000	$ 38,000