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Subsequent Events (Details) - $ / shares
3 Months Ended
May 08, 2020
Apr. 29, 2020
Apr. 02, 2020
Mar. 31, 2020
Mar. 31, 2019
Stock Options [Member]          
Stock Transactions [Abstract]          
Options issued (in shares)       240,000 0
Weighted average grant date fair value (in dollars per share)       $ 4.30  
Warrants [Member]          
Stock Transactions [Abstract]          
Number of warrants issued (in shares)       25,000  
Exercise price per common share (in dollars per share)       $ 7  
Expiration date       Apr. 30, 2020  
Subsequent Event [Member]          
Dividend [Abstract]          
Dividend declared date May 08, 2020        
Special cash dividend (in dollars per share) $ 1.00        
Dividend payable date May 26, 2020        
Dividend record date May 18, 2020        
Subsequent Event [Member] | Stock Options [Member]          
Stock Transactions [Abstract]          
Options issued (in shares)     50,000    
Weighted average grant date fair value (in dollars per share)     $ 3.87    
Subsequent Event [Member] | Warrants [Member]          
Stock Transactions [Abstract]          
Number of warrants issued (in shares)   25,000      
Exercise price per common share (in dollars per share)   $ 5.75      
Expiration date   Apr. 29, 2025