Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of stock option activity (Details)

v3.22.2.2
Stockholders' Equity - Schedule of stock option activity (Details) - $ / shares
 6 Months Ended 12 Months Ended
Jul. 31, 2022
Aug. 01, 2021
Jan. 30, 2022
Jan. 31, 2021
Number of options        
Number of options, outstanding, beginning balance (in shares) 495,366 495,366 495,366  
Number of options, exercised (in shares)   0    
Number of options, expired and canceled (in shares)   0    
Number of options, granted (in shares) 0      
Number of options, canceled and forfeited (in shares) 0      
Number of options, outstanding, ending balance (in shares) 495,366 495,366 495,366 495,366
Number of options, exercisable at the end of the period (in shares) 495,366 0    
Weighted average exercise price        
Weighted average exercise price, outstanding, beginning balance (in dollars per share) $ 38.10 $ 38.10 $ 38.10  
Weighted average exercise price, granted (in dollars per share) 0 0    
Weighted average exercise price, canceled and forfeited (in dollars per share) 0 0    
Weighted average exercise price, outstanding, ending balance (in dollars per share) 38.10 38.10 $ 38.10 $ 38.10
Weighted average exercise price, exercisable at the end of the period (in dollars per share) $ 38.10 $ 0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]        
Weighted average remaining contractual life, outstanding (in years) 1 year 10 months 6 days 2 years 10 months 6 days 2 years 4 months 6 days 3 years 4 months 6 days
Weighted average remaining contractual life (in years), exercisable at the end of the period 1 year 10 months 6 days      
Average intrinsic value, outstanding, beginning balance (in dollars per share) $ 28.68 $ 0 $ 0  
Average intrinsic value, outstanding, ending balance (in dollars per share) 1.89 35.32 $ 28.68 $ 0
Average intrinsic value, exercisable at the end of the period (in dollars per share) $ 1.89 $ 0