Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Details)

v3.23.3
Stockholders' Equity - Additional Information (Details)
3 Months Ended 9 Months Ended
Aug. 18, 2023
USD ($)
$ / shares
shares
Mar. 22, 2023
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
$ / shares
shares
Oct. 01, 2022
USD ($)
shares
Sep. 30, 2023
USD ($)
$ / shares
shares
Oct. 01, 2022
USD ($)
Aug. 31, 2023
shares
Dec. 31, 2022
$ / shares
shares
Jan. 01, 2022
shares
Shareholders Equity [Line Items]                  
Common stock, shares authorized (in shares)     200,000,000   200,000,000     200,000,000  
Stock issued for services, (in shares)     0 0          
Common Stock, par value (in usd per share) | $ / shares     $ 0.001   $ 0.001     $ 0.001  
Common stock, issued shares (in shares)     4,957,647   4,957,647     2,827,410  
Common stock, outstanding shares (in shares)     4,957,647   4,957,647     2,827,410  
Options outstanding (in share)     114,000   114,000     110,000 117,500
Granted (in shares)         10,000        
Preferred stock, outstanding shares (in shares)     193,730   193,730     222,588  
Series A-1 Preferred                  
Shareholders Equity [Line Items]                  
Preferred stock, conversion ratio     0.05   0.05        
Series A-1 preferred converted (in shares)         27,353        
Shares forfeited (in shares)         1,505        
Preferred stock, outstanding shares (in shares)     193,730   193,730     222,588  
Stock Options                  
Shareholders Equity [Line Items]                  
Share-based compensation expense | $     $ 1,000,000 $ 4,000,000 $ 14,000,000 $ 4,000,000      
Unrecognized compensation expense, net of estimated forfeitures | $     $ 0   $ 0        
2016 Plan                  
Shareholders Equity [Line Items]                  
Options authorized for issuance (in share)     800,000   800,000        
Options outstanding (in share)     100,000   100,000     90,000  
2011 Plan                  
Shareholders Equity [Line Items]                  
Options outstanding (in share)     14,000   14,000     20,000  
Additional awards to be granted after adoption of 2016 plan (in share)         0        
Private llacement agreement                  
Shareholders Equity [Line Items]                  
Common Stock, par value (in usd per share) | $ / shares $ 0.001                
Sale of stock, number of shares issued in transaction (in shares) 418,000                
Sale of stock, price per share (in usd per share) | $ / shares $ 0.8811                
Warrant excise and granted (in shares) 899,348                
Warrant offering and exercise price (in usd per share) | $ / shares $ 0.7561                
Gross proceeds reimbursement for accountable legal expenses | $ $ 790,000                
Warrants outstanding (in shares)     899,348   899,348        
Private llacement agreement | Pre-Funded Warrants Member                  
Shareholders Equity [Line Items]                  
Warrant excise and granted (in shares) 481,348                
Warrant offering and exercise price (in usd per share) | $ / shares $ 0.8801                
Class of warrant or right, warrants or rights exercised (in shares)             481,348    
Articles of Incorporation                  
Shareholders Equity [Line Items]                  
Common stock, shares authorized (in shares)     200,000,000   200,000,000        
Securities Purchase Agreement                  
Shareholders Equity [Line Items]                  
Common stock offering shares (in shares)   361,000              
Common Stock, par value (in usd per share) | $ / shares   $ 0.001              
Common stock purchase price per share (in usd per share) | $ / shares   $ 1.17              
Proceeds from sale of common stock | $   $ 422,000