Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation Plans - Schedule of Transactions Involving Outstanding Stock Options (Details)

v3.20.1
Share-Based Compensation Plans - Schedule of Transactions Involving Outstanding Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Feb. 02, 2020
Nov. 03, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Number of shares, Outstanding Beginning balance (shares) 603,484  
Number of shares, Expired (shares) (73,350)  
Number of shares, Outstanding Ending balance (shares) 530,134 603,484
Number of shares, Unvested (shares) 64,302  
Number of shares, Exercisable (shares) 465,832  
Share-based Payment Arrangement, Option, Exercise Price Range, End of Period [Abstract]    
Weighted average exercise price, Outstanding Beginning balance (usd per share) $ 6.28  
Weighted average exercise price, Expired (usd per share) 9.28  
Weighted average exercise price, Outstanding Ending balance (usd per share) 5.86 $ 6.28
Weighted average exercise price, Unvested (usd per share) 4.18  
Weighted average exercise price, Exercisable (usd per share) $ 6.10  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Weighted Average Contractual Life (in years), Outstanding 6 years 11 months 19 days 6 years 9 months 22 days
Weighted Average Contractual Life (in years), Unvested 7 years 11 months 9 days  
Weighted Average Contractual Life (in years), Exercisable 6 years 9 months 29 days  
Aggregate Intrinsic Value (in thousands), Outstanding $ 0 $ 0
Aggregate Intrinsic Value (in thousands), Unvested 0  
Aggregate Intrinsic Value (in thousands), Exercisable $ 0