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Earnings per Share (Tables)
 3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table sets forth the weighted-average shares used in calculating the earnings per share for the three months ended March 31, 2020 and 2019.
 
Three Months Ended 
 March 31,
 
2020
2019
Basic weighted-average shares
24,597,000

24,177,000

Conversion of unsecured loan notes
—

—

Unexercised options and unvested RSUs
—

—

Diluted weighted-average shares
24,597,000

24,177,000