Fair Value Measurements - Additional Information (Detail) - USD ($)	Jan. 30, 2021	Dec. 11, 2020	Feb. 01, 2020
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Non-financial assets recognized at fair value	$ 0		$ 0
Non-financial liabilities recognized at fair value	0		0
Total long-term debt principal	85,897,000		$ 52,473,000
2018 Term Loan Facility [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total long-term debt principal	24,750,000
2018 Term Loan Facility [Member] | Level 3 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair value of term loan facility	25,000,000
Third Lien Credit Agreement [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total long-term debt principal	20,748,000	$ 20,000,000
Third Lien Credit Agreement [Member] | Level 3 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Fair value of term loan facility	$ 21,000,000