Annual report pursuant to Section 13 and 15(d)

Debt - Additional Information (Details)

v3.22.1
Debt - Additional Information (Details) - USD ($)
12 Months Ended
Jun. 25, 2021
Jan. 31, 2022
Jan. 31, 2021
May 20, 2020
Debt Instrument [Line Items]        
Debt outstanding   $ 0 $ 78,848,000  
Principal balance     80,390,000  
Letter of Credit        
Debt Instrument [Line Items]        
Unused borrowing capacity     700,000  
B        
Debt Instrument [Line Items]        
Shares issued upon conversion of convertible notes (in shares) 9,694,004      
Convertible Note | Senior Subordinated Secured Convertible Note        
Debt Instrument [Line Items]        
Principal balance     75,000,000 $ 75,000,000
Closing fee       1.05%
Principal amount       $ 150,000,000
Original issue discount       2.10%
Fixed rate       9.875%
Fair value of debt     86,400,000  
Effective interest rate   10.30%    
Line of Credit | Revolving Credit Facility        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity   $ 50,000,000    
Amounts outstanding   $ 0 $ 0  
Line of Credit | Revolving Credit Facility | Prime Rate        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate   0.25%    
Line of Credit | Revolving Credit Facility | Federal Funds Effective Rate        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate   0.50%    
Interest rate in addition to basis spread   0.25%