Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2018

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 months ended June 30, 2018 and 2017.

	Three Months Ended   June 30,		Six Months Ended   June 30,
	2018	2017	2018	2017
Basic weighted-average shares	24,170,000	23,738,000	24,158,000	23,606,000
Conversion of unsecured loan notes	—	—	—	—
Unexercised options and unvested RSUs	—	—	—	—
Diluted weighted-average shares	24,170,000	23,738,000	24,158,000	23,606,000