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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended			9 Months Ended
	Oct. 31, 2020	Nov. 03, 2019	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019	Jan. 31, 2020
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (32,000)	$ (247,000)	$ (247,000)	$ 379,000	$ 182,000
Tax expense resulting from shortfall			18,000	118,000	251,000
Expiration of the statue of limitations on previously uncertain tax positions				78,000
Cumulative unrecognized tax benefits	$ 319,000			319,000		$ 362,000
Changes to unrecognized tax benefits				0
Provision Adjustment from several foreign tax				$ 79,000
Tax benefit related to the reversal of previously uncertain tax positions			$ 306,000		$ 359,000

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Tax expense related to shortfall related to Company's stock.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

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