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Stock-based Compensation and Stockholders’ Equity - Narrative (Details)
 3 Months Ended 12 Months Ended
May 20, 2024
tranche
shares
May 19, 2024
$ / shares
shares
Nov. 01, 2022
shares
Oct. 16, 2019
USD ($)
shares
May 26, 2024
USD ($)
shares
May 26, 2024
USD ($)
$ / shares
shares
May 28, 2023
USD ($)
$ / shares
shares
May 29, 2022
USD ($)
$ / shares
shares
Mar. 20, 2024
shares
Jul. 14, 2010
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock option exercise price range, lower range limit (in dollars per share) | $ / shares   $ 9.76                
Stock option exercise price range, upper range limit (in dollars per share) | $ / shares   $ 12.14                
Stock-based compensation, incremental cost | $         $ 600,000          
Fair value of options vested in period | $           $ 1,000,000.0 $ 1,500,000 $ 1,100,000    
Aggregate intrinsic Value (in thousands) | $           115,000 0 300,000    
Amount of unrecognized compensation expense related to unvested equity compensation | $         $ 14,300,000 14,300,000        
Stock-based compensation, income tax benefit | $           0        
Stock-based compensation, amount capitalized | $           $ 28,000 $ 0 $ 0    
Preferred stock authorized (in shares)         2,000,000 2,000,000        
Preferred stock outstanding (in shares)         42,460 42,460 39,420      
Maximum repurchase amount of common stock | $                   $ 10,000,000.0
Stock repurchased during period (in shares)           0 0 0    
RSU and PSU                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock-based compensation, incremental cost | $           $ 300,000        
RSU                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Accelerated vesting, number of shares   270,000                
Award granted (in shares)           1,584,005        
Unrecognized compensation amount | $         $ 3,100,000 $ 3,100,000        
Award outstanding (in shares)         1,622,004 1,622,004 336,791      
Fair value of equity instruments other than options vested in period | $           $ 1,300,000 $ 1,900,000 $ 1,600,000    
Granted (in dollars per share) | $ / shares           $ 7.48 $ 9.59 $ 11.98    
Vested (in dollars per share) | $ / shares           $ 7.74 $ 10.79 $ 11.41    
Total expense expected to be recognized over the weighted-average period           2 years 4 months 6 days        
PSU                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award granted (in shares)           1,500,000        
Unrecognized compensation amount | $         $ 7,000,000 $ 7,000,000        
Award outstanding (in shares)         1,500,000 1,500,000 0      
Granted (in dollars per share) | $ / shares           $ 4.66        
Vested (in dollars per share) | $ / shares           $ 0        
Total expense expected to be recognized over the weighted-average period           1 year 7 months 28 days        
Stock Option                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Accelerated vesting, number of shares   92,545                
Total expense expected to be recognized over the weighted-average period           1 year 7 days        
Equity Inducement Plan                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Capital stock reserved for future issuance (in shares)                 3,500,000  
Award outstanding (in shares)         1,475,000 1,475,000        
Equity Inducement Plan | RSU | Chief Executive Officer                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award granted (in shares) 525,000                  
Equity Inducement Plan | RSU | Chief Executive Officer | Vesting, tranche one                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award granted (in shares) 25,000                  
Equity Inducement Plan | RSU | Chief Executive Officer | Vesting, tranche two                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award granted (in shares) 100,000                  
Award vesting period 5 years                  
Equity Inducement Plan | PSU | Chief Executive Officer                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award granted (in shares) 1,500,000                  
Number of tranches | tranche 10                  
Performance period 5 years                  
Equity Inducement Plan | PSU | Chief Executive Officer | Vesting, tranche one                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award granted (in shares) 150,000                  
Award vesting period 1 year                  
Award vesting percentage 50.00%                  
Equity Inducement Plan | PSU | Chief Executive Officer | Vesting, tranche two                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award vesting percentage 50.00%                  
Stock Incentive Plan 2019                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Common stock initially available under stock award plan (in shares)       2,000,000            
Number of additional shares authorized     759,797              
Number of shares available for award under stock incentive plan (in shares)         725,747 725,747        
Stock Incentive Plan 2019 | Stock Option                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Maximum amount of award within a fiscal year (in shares)       500,000            
Stock Incentive Plan 2019 | Stock Grants and Stock Units                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Maximum amount of award within a fiscal year (in shares)       250,000            
Stock Incentive Plan 2019 | Stock Appreciation Rights (SARs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Maximum amount of award within a fiscal year (in shares)       500,000            
Maximum award for a non-employee direct within a fiscal year | $       $ 120,000