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Earnings (Loss) per Common Share (Details) - shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Earnings (Loss) Per Common Share    
Antidilutive Securities excluded 1,158,000 236,575
Weighted average shares outstanding:    
Basic weighted average shares outstanding (in shares) 15,283,000 15,139,000
Diluted weighted average shares outstanding (in shares) 15,283,000 15,139,000