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3. Earnings/(Loss) Per Common Share (Details 1) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Shares excluded from earnings 330,897 1,314,310    
Equity incentive plans        
Shares excluded from earnings     295,440 1,676,666