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Stockholders' Equity - Stock Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Aug. 23, 2023
Jul. 20, 2023
May 15, 2023
Apr. 17, 2023
Jan. 01, 2023
May 31, 2022
Apr. 20, 2022
Apr. 20, 2021
Dec. 31, 2023
Dec. 31, 2022
Other disclosures                    
Compensation expense                 $ 220 $ 720
Non Management Directors                    
Number of Other than Options                    
Granted (in shares) 40,000                  
Other disclosures                    
Compensation expense                   310
Consultant                    
Number of Other than Options                    
Granted (in shares)     50,000 8,334 8,334          
Employee                    
Number of Other than Options                    
Granted (in shares)   7,300       33,557        
Other disclosures                    
Compensation expense                 $ 20 $ 410
Senior Management                    
Other disclosures                    
Unrecognized compensation expense             $ 280      
Restricted Stock                    
Number of Other than Options                    
Outstanding, beginning balance (in shares)         333,333       333,333  
Granted (in shares)                 113,968  
Vested (in shares)                 (108,968)  
Expired/Forfeited (in shares)                 (5,000)  
Outstanding, ending balance (in shares)                 333,333 333,333
Weighted Average Exercise Price                    
Outstanding, beginning balance (in dollars per share)         $ 3.71       $ 3.71  
Granted (in dollars per share)                 1.01  
Vested (in dollars per share)                 1.08  
Expired/Forfeited (in dollars per share)                 1.62  
Outstanding, ending balance (in dollars per share)                 $ 3.69 $ 3.71
Other disclosures                    
Compensation expense                 $ 100 $ 300
Unrecognized compensation expense                 $ 100  
Weighted average period of recognition                 1 year 21 days  
Restricted Stock | Isaac Mizrahis                    
Number of Other than Options                    
Vested (in shares)           (522,500)        
Restricted Stock | Non Management Directors                    
Number of Other than Options                    
Granted (in shares)             50,000      
Other disclosures                    
Award vesting period (in years)               2 years    
Restricted Stock | Consultant                    
Number of Other than Options                    
Granted (in shares)             20,064      
Restricted Stock | Consultant | Isaac Mizrahis                    
Number of Other than Options                    
Granted (in shares)           65,275        
Restricted Stock | Senior Management                    
Number of Other than Options                    
Granted (in shares)             178,727      
Common Stock | April 2023 | Non Management Directors                    
Other disclosures                    
Vesting rights (percentage per year)             50.00%      
Common Stock | April 2024 | Non Management Directors                    
Other disclosures                    
Vesting rights (percentage per year) 50.00%           50.00%      
Common Stock | April 2025 | Non Management Directors                    
Other disclosures                    
Vesting rights (percentage per year) 50.00%