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Other assets, net (Tables)

12 Months Ended

Dec. 31, 2018

Other Assets Noncurrents [Abstract]

Disclosure And Details About Other Noncurrent Assets [Table Text Block]

(a)

Below is presented the movement:

		Balance as of January 1, 2017				Additions				Balance as of December 31, 2017				Additions				Transfers				Balance as of December 31, 2018
		US$(000)				US$(000)				US$(000)				US$(000)				US$(000)				US$(000)

Cost:
Patents and industrial property (b)			9,558				4,122				13,680				2,642				(4,599	)			11,723
Software licenses			6,457				2,359				8,816				1,448				(96	)			10,168
Rights of use			7,331				522				7,853				4,439				-				12,292

			23,346				7,003				30,349				8,529				(4,695	)			34,183
Accumulated amortization:
Software licenses			1,995				383				2,378				596				-				2,974
Rights of use			3,632				1,578				5,210				738				-				5,948

			5,627				1,961				7,588				1,334				-				8,922

Net cost			17,719								22,761												25,261