Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Additional Information (Details)

v3.22.2.2
Shareholders' Equity - Additional Information (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 02, 2021
USD ($)
Jan. 29, 2021
USD ($)
$ / shares
shares
Jul. 02, 2022
USD ($)
$ / shares
shares
Jul. 03, 2021
USD ($)
Jul. 02, 2022
USD ($)
$ / shares
shares
Jul. 01, 2022
shares
Jul. 03, 2021
USD ($)
shares
Jan. 01, 2022
$ / shares
shares
Jan. 02, 2021
shares
Shareholders Equity [Line Items]                  
Common stock, shares authorized (in shares)     10,000,000   10,000,000     10,000,000  
Common stock, issued shares (in shares)     3,150,230   3,150,230     2,827,410  
Common stock, outstanding shares (in shares)     3,150,230   3,150,230     2,827,410  
Common stock par value | $ / shares     $ 0.001   $ 0.001     $ 0.001  
Gross proceeds reimbursement for accountable legal expenses | $   $ 420,000              
Options outstanding     117,500   117,500     117,500 113,900
Options granted     0     0   38,000  
Number of shares converted     205,287   205,287        
Number of shares converted to Common Stock     322,820   322,820        
Preferred Stock outstanding     222,588   222,588     238,729  
Stock Options                  
Shareholders Equity [Line Items]                  
Share-based compensation expense | $     $ 1,000,000 $ 71,000,000 $ 4,000,000   $ 180,000,000    
2016 Plan                  
Shareholders Equity [Line Items]                  
Options expiration date         Oct. 28, 2026        
Options authorized for issuance     800,000   800,000        
Options outstanding     90,000   90,000     90,000  
2011 Plan                  
Shareholders Equity [Line Items]                  
Options outstanding     27,500   27,500     27,500  
Additional awards to be granted after adoption of 2016 plan         0        
Series A1 Convertible Preferred Stock [Member]                  
Shareholders Equity [Line Items]                  
Conversion of Stock, Shares Issued         16,141        
Common Stock                  
Shareholders Equity [Line Items]                  
Preferred Stock, Convertible, Conversion Ratio     0.05   0.05        
Common Stock | Equity Offering                  
Shareholders Equity [Line Items]                  
Common stock, shares authorized (in shares)   571,428              
Common stock par value | $ / shares   $ 0.001              
Common stock purchase price per share | $ / shares   $ 10.50              
Common stock gross proceeds before deducting placement agent fees and offering expenses | $ $ 6,000,000.0                
Common Stock | Equity Offering | Placement Agency Agreement                  
Shareholders Equity [Line Items]                  
Percentage of cash fee gross proceeds   7.00%              
Common Stock | Equity Offering | Maximum | Placement Agency Agreement                  
Shareholders Equity [Line Items]                  
Gross proceeds reimbursement for accountable legal expenses | $   $ 35,000              
Series A Preferred                  
Shareholders Equity [Line Items]                  
Number of shares converted     4,105,732   4,105,732        
Conversion of Stock, Shares Issued         16,141        
Preferred Stock outstanding     222,588   222,588     238,729  
Contractor                  
Shareholders Equity [Line Items]                  
Stock issued for services, shares         0   0    
Articles of Incorporation                  
Shareholders Equity [Line Items]                  
Common stock, shares authorized (in shares)     200,000,000   200,000,000