XML 46 R32.htm IDEA: XBRL DOCUMENT v3.21.2
Fair Value Measurements - Additional Information (Detail) - USD ($)
Jul. 31, 2021
Jan. 30, 2021
Dec. 11, 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 87,339,000 85,897,000  
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 22,005,000 $ 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 $ 22,000,000