Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity - Restricted Stock Award (Details)

v3.21.1
Shareholders' Equity - Restricted Stock Award (Details) - Restricted Stock Award [Member] - USD ($)
12 Months Ended
Nov. 23, 2018
Jan. 30, 2021
Feb. 01, 2020
Feb. 02, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted shares granted 150,000      
Aggregate market value of restricted stock award on the date of grant $ 1,408,000      
Period for recognition of unrecognized compensation cost 3 years 1 month 6 days    
Compensation expense   $ 697,000 $ 469,000 $ 89,000
Unrecognized compensation expense outstanding for nonemployee share-based payment awards   153,000    
Restricted stock vested in period, total fair value   $ 229,000    
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]        
Non-vested restricted stock shares outstanding at beginning of period     50,000  
Granted, shares   0    
Vested, shares   (50,000)    
Non-vested restricted stock shares outstanding at end of period       50,000
Summary of changes in Company's non-vested restricted stock during period, weighted average grant date fair value [Roll Forward]        
Granted, weighted average grant date fair value per share   $ 0    
Vested, weighted average grant date fair value per share   9.39    
Non-vested restricted stock shares outstanding at end of period, weighted average grant date fair value per share   $ 9.39    
Vested on January 4, 2019 [Member]        
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]        
Vested, shares (50,000)      
Vested on January 4, 2020 [Member]        
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]        
Vested, shares (50,000)      
Vesting on January 4, 2021 [Member]        
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]        
Vested, shares (50,000)