Fair Value Measurements (Details) - USD ($)	Jan. 30, 2021	Feb. 01, 2020
Fair Value, Option, Quantitative Disclosures [Line Items]
Long-term variable rate PNC credit facility	$ 53,380,000	$ 68,960,000
Current portion of long-term credit facility	2,714,000	2,714,000
Level 2 [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Long-term variable rate PNC credit facility	53,380,000	68,960,000
Level 3 [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Level 3 investments	$ 0	$ 0

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No definition available.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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