Administrative expenses

12 Months Ended

Dec. 31, 2018

Disclosure Of Administrative expenses [Abstract]

Disclosure of general and administrative expense [text block]

Note

13 Administrative expenses

Amounts in US$ '000	2018			2017			2016
Staff costs (Note 11)		27,378			24,713			19,451
Share-based payment (Note 11)		4,046			3,117			1,847
Consultant fees		7,427			5,120			3,894
Office expenses		3,021			2,506			2,217
Travel expenses		3,730			2,772			1,717
Director’s fees and allowance (Note 11)		2,876			3,458			2,088
Communication and IT costs		2,395			2,109			2,013
Allocation to joint operations		(7,774	)		(7,646	)		(4,365	)
Other administrative expenses		8,975			5,905			5,308
		52,074			42,054			34,170