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Earnings (Loss) Per Share - Basic and Diluted (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Basic:        
Weighted average shares outstanding, basic 30,031,188 29,097,094 29,842,298 29,086,811
Effect of dilutive securities:        
Common stock options 0 0 0 0
Total weighted average shares outstanding assuming dilution 30,031,188 29,097,094 29,842,298 29,086,811