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Stock Options and Restricted Stock Units - Summary of stock option and Restricted Stock option activity (Details) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Restricted Stock | 2013 Stock Plan      
Stock Options and Restricted Stock Units      
Number of Shares, Forfeited/Expired 0    
Weighted-Average Grant Date Fair Value, Forfeited/Expired $ 0    
Restricted Stock | Equity Plans      
Stock Options and Restricted Stock Units      
Number of Shares, Outstanding at Beginning of the year 700,000    
Number of Shares, Unvested at End of the year 700,000   700,000
Weighted-Average Grant Date Fair Value, Outstanding $ 5.59    
Weighted-Average Grant Date Fair Value, Outstanding $ 5.59   $ 5.59
Restricted Stock Units      
Stock Options and Restricted Stock Units      
Number of shares, granted 0    
Restricted Stock Units | 2013 Stock Plan      
Stock Options and Restricted Stock Units      
Number of shares, granted 200,000    
Restricted Stock Units | 2021 Stock Plan      
Stock Options and Restricted Stock Units      
Number of shares, granted 500,000    
Restricted Stock Units | Equity Plans      
Stock Options and Restricted Stock Units      
Number of Shares, Outstanding at Beginning of the year   0 0
Number of shares, granted   700,000  
Number of Shares, Unvested at End of the year   700,000  
Weighted-Average Grant Date Fair Value, Granted   $ 5.59  
Weighted-Average Grant Date Fair Value, Outstanding   $ 5.59  
Performance Shares      
Stock Options and Restricted Stock Units      
Number of shares, granted     700,000