v3.26.1
Stockholders' Deficit - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Jan. 27, 2023
Jan. 12, 2023
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Sep. 29, 2021
Dec. 31, 2018
Class Of Warrant Or Right [Line Items]                        
Weighted average remaining contractual life (years), outstanding           1 year 7 months 6 days            
Share-based compensation           $ 1,000 $ 9,000          
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     $ 12,000   $ 4,000 $ 10,000 (5,000)          
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     238,031     238,031     1,300,774      
Number of shares authorized under the plan                       9,000,000
2021 Stock Incentive Option Plan [Member]                        
Class Of Warrant Or Right [Line Items]                        
Exercisable/expiration period       10 years                
Stock option awards outstanding     3,120,000     3,120,000     3,120,000      
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     242,742     242,742     243,968      
2011 and 2021 Stock Incentive Option Plan [Member]                        
Class Of Warrant Or Right [Line Items]                        
Unrecognized share-based compensation expense     $ 0     $ 0            
Options granted           0     50,000      
Stock option awards outstanding     3,600,773     3,600,773     4,664,742 5,287,284    
2011 and 2021 Stock Incentive Option Plan [Member] | Stock Options [Member]                        
Class Of Warrant Or Right [Line Items]                        
Share-based compensation     $ 0   $ 1,000 $ 1,000 $ 9,000          
Employees [Member] | 2021 Stock Incentive Option Plan [Member]                        
Class Of Warrant Or Right [Line Items]                        
Vesting period               3 years        
Non-Employee Director [Member] | 2021 Stock Incentive Option Plan [Member]                        
Class Of Warrant Or Right [Line Items]                        
Vesting period               1 year