Annual report [Section 13 and 15(d), not S-K Item 405]

Stockholders' Deficit - Additional Information (Details)

v3.26.1
Stockholders' Deficit - Additional Information (Details) - USD ($)
 12 Months Ended
Jan. 27, 2023
Jan. 12, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Sep. 29, 2021
Dec. 31, 2018
Class Of Warrant Or Right [Line Items]              
Weighted average remaining contractual life (years), outstanding     2 years 18 days        
Share-based compensation     $ 25,000 $ 256,000      
Professional Relations and Consulting Service [Member]              
Class Of Warrant Or Right [Line Items]              
Warrants granted, term 5 years 5 years          
Change in fair value of derivative liabilities     $ 5,000 $ (57,000)      
Warrant excercise price $ 0.47 $ 0.5          
Maximum [Member] | Professional Relations and Consulting Service [Member]              
Class Of Warrant Or Right [Line Items]              
Warrants granted to purchase common stock 500,000 250,000          
2011 Stock Incentive Option Plan [Member] | Stock Options [Member]              
Class Of Warrant Or Right [Line Items]              
Vesting period     3 years        
Exercisable/expiration period     10 years        
Expiration date     2021-05        
Stock option awards outstanding     1,300,774 1,461,443      
Number of shares authorized under the plan             9,000,000
2021 Stock Incentive Option Plan [Member]              
Class Of Warrant Or Right [Line Items]              
Total unrecognized compensation cost     $ 1,000        
Vesting period     10 days        
Exercisable/expiration period     10 years        
Stock option awards outstanding     3,120,000 3,580,833      
2021 Stock Incentive Option Plan [Member] | Stock Options [Member]              
Class Of Warrant Or Right [Line Items]              
Number of shares authorized under the plan           4,000,000  
2012 Omnibus Incentive Compensation Plan [Member]              
Class Of Warrant Or Right [Line Items]              
Stock option awards outstanding     243,968 245,008      
2011 and 2021 Stock Incentive Option Plan [Member]              
Class Of Warrant Or Right [Line Items]              
Options granted     50,000 2,360,000      
Stock option awards outstanding     4,664,742 5,287,284 3,223,881    
2011 and 2021 Stock Incentive Option Plan [Member] | Stock Options [Member]              
Class Of Warrant Or Right [Line Items]              
Share-based compensation     $ 25,000 $ 256,000      
Employees [Member] | 2021 Stock Incentive Option Plan [Member]              
Class Of Warrant Or Right [Line Items]              
Options granted       1,620,000      
Vesting period     3 years        
Non-Employee Director [Member] | 2021 Stock Incentive Option Plan [Member]              
Class Of Warrant Or Right [Line Items]              
Options granted       300,000      
Vesting period     1 year        
Consultant [Member] | 2021 Stock Incentive Option Plan [Member]              
Class Of Warrant Or Right [Line Items]              
Options granted     50,000 440,000