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Stockholders' Equity - Stock Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
May 31, 2022
Apr. 20, 2022
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Other disclosures            
Compensation expense     $ 580 $ 430 $ 610 $ 590
Non Management Directors            
Other disclosures            
Compensation expense     190 50 210 70
Employee            
Other disclosures            
Compensation expense     $ 390 380 $ 400 520
Restricted Stock            
Number of Other than Options            
Outstanding, beginning balance (in shares)         815,833  
Granted (in shares)         347,623  
Canceled (in shares)         0  
Vested (in shares)         (820,123)  
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)         $ 4.00  
Granted (in dollars per share)         1.58  
Canceled (in dollars per share)         0  
Vested (in dollars per share)         3.12  
Expired/Forfeited (in dollars per share)         0  
Outstanding, ending balance (in dollars per share)     $ 3.66   $ 3.66  
Other disclosures            
Compensation expense     $ 200 $ 390 $ 210 $ 390
Unrecognized compensation expense     $ 110   $ 110  
Weighted average period of recognition         1 year 5 months 12 days  
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) 65,275 20,064        
Restricted Stock | Employee            
Number of Other than Options            
Granted (in shares) 33,557          
Restricted Stock | Senior Management            
Number of Other than Options            
Granted (in shares)   178,727        
Other disclosures            
Compensation expense   $ 280        
Restricted Stock | April 20, 2023 | Non Management Directors            
Other disclosures            
Percentage of options vested per tranche   50.00%        
Restricted Stock | April 20, 2024 | Non Management Directors            
Other disclosures            
Percentage of options vested per tranche   50.00%