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Stockholders' Equity - Stock Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Aug. 23, 2023
Jul. 20, 2023
May 15, 2023
Apr. 17, 2023
Jan. 01, 2023
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Other disclosures                  
Compensation expense               $ 170 $ 670
Non Management Directors                  
Other disclosures                  
Compensation expense                 260
Employee                  
Other disclosures                  
Compensation expense               $ 20 410
Restricted Stock                  
Number of Other than Options                  
Outstanding, beginning balance (in shares)         333,333     333,333  
Granted (in shares)               113,968  
Vested (in shares)               (103,968)  
Expired/Forfeited (in shares)               0  
Outstanding, ending balance (in shares)           343,333   343,333  
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)               1.04  
Expired/Forfeited (in dollars per share)               0  
Outstanding, ending balance (in dollars per share)           $ 3.63   $ 3.63  
Other disclosures                  
Unrecognized compensation expense           $ 80   $ 80  
Weighted average period of recognition               1 year 2 months 23 days  
Common Stock                  
Other disclosures                  
Compensation expense           $ 30 $ 20 $ 100 $ 240
Common Stock | Non Management Directors                  
Number of Other than Options                  
Granted (in shares) 40,000                
Other disclosures                  
Vesting rights (percentage per year) 50.00%                
Common Stock | Consultant                  
Number of Other than Options                  
Granted (in shares)     50,000 8,334 8,334        
Common Stock | Employee                  
Number of Other than Options                  
Granted (in shares)   7,300