Note 16 - Financial Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Statement Line Items [Line Items]

Disclosure of detailed information about financial instruments [text block]

[US$ thousands]	As of December 31,
Financial assets	2018		2019
Financial assets at amortized cost
Non-current financial assets (1)		2,025		1,351
Trade receivables		37,468		49,371
Other short-term receivables (2)		4,031		59,112
Other current financial assets		89		1,535
Total financial assets at amortized cost		43,612		111,369
Financial assets at fair value through profit or loss
Preferred shares in associates (3)		30,000		80,000
Loans to customers		3,092		93,115
Listed equity instruments		1,165		42,146
Total financial assets at fair value through profit or loss		34,257		215,261
Total financial assets		77,869		326,630

[US$ thousands]	As of December 31,
Financial liabilities	2018		2019
Financial liabilities at amortized cost
Lease liabilities and other loans (1)		4,761		56,974
Trade and other payables		17,957		57,125
Other financial liabilities		9,413		15,279
Total financial liabilities at amortized cost		32,132		129,378
Financial liabilities at fair value through profit or loss
Short position in listed equity instruments		500		-
Total financial liabilities at fair value through profit or loss		500		-
Total financial liabilities		32,632		129,378

Disclosure of gain (loss) on trading securities [text block]

[US$ thousands]
Gain (loss) on listed equity instruments in 2018	Realized gain (loss)			Unrealized gain (loss)			Total
Long positions		(1,353	)		(169	)		(1,522	)
Short positions		48			(11	)		38
Total		(1,305	)		(180	)		(1,485	)

[US$ thousands]
Gain (loss) on listed equity instruments in 2019	Realized gain (loss)			Unrealized gain (loss)		Total
Long positions		6,278			2,564		8,842
Short positions		(365	)		-		(365	)
Total		5,913			2,564		8,477

Disclosure of sensitivity analysis for equity [text block]

[US$ thousands]			WACC %
PWERM sensitivity - fair value of preferred shares			20%		22%		24%		26%		28%
	5	%		65,529		61,957		57,991		55,572		52,715
DLOM %	10	%		62,080		58,696		54,939		52,647		49,941
	15	%		58,631		55,435		51,887		49,722		47,166

[US$ thousands]			Value of equity in the company (US$ million)
OPM sensitivity - fair value of preferred shares			400		450		500		550		600
	5	%		34,739		39,657		44,570		49,479		54,383
DLOM %	10	%		32,910		37,570		42,225		46,875		51,521
	15	%		31,082		35,482		39,879		44,271		48,659

[US$ thousands]			Value of equity in the company (US$ million)
CVM sensitivity - fair value of preferred shares			400		450		500		550		600
	5	%		33,870		38,734		43,598		48,462		53,327
DLOM %	10	%		32,087		36,696		41,304		45,912		50,520
	15	%		30,305		34,657		39,009		43,361		47,713

[US$ thousands]			WACC %
PWERM sensitivity - fair value of preferred shares			13%		15%		17%		19%		21%
	25	%		32,151		31,332		30,552		29,809		29,101
DLOM %	30	%		30,008		29,243		28,515		27,822		27,161
	35	%		27,864		27,154		26,479		25,835		25,221

[US$ thousands]			Value of equity in the company (US$ million)
OPM sensitivity - fair value of preferred shares			145		150		155		160		165
	25	%		37,011		37,787		38,558		39,327		40,092
DLOM %	30	%		34,544		35,268		35,988		36,705		37,419
	35	%		32,076		32,749		33,417		34,083		34,746

[US$ thousands]			Value of equity in the company (US$ million)
CVM sensitivity - fair value of preferred shares			145		150		155		160		165
	25	%		39,194		39,919		40,645		41,371		42,097
DLOM %	30	%		36,581		37,258		37,935		38,613		39,290
	35	%		33,968		34,597		35,226		35,855		36,484

Disclosure of financial instruments fair value hierarchy [text block]

		Fair value measurement using
[US$ thousands]	Date of valuation	Quoted prices in active markets (Level 1)		Significant observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Assets measured at fair value
Preferred shares in associates	December 31, 2018		-		-		30,000
Loans to customers	December 31, 2018		-		-		3,092
Listed equity instruments	December 31, 2018		1,165		-		-

		Fair value measurement using
[US$ thousands]	Date of valuation	Quoted prices in active markets (Level 1)		Significant observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Liabilities measured at fair value
Short position	December 31, 2018		500		-		-

		Fair value measurement using
[US$ thousands]	Date of valuation	Quoted prices in active markets (Level 1)		Significant observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Assets measured at fair value
Preferred shares in associates	December 31, 2019		-		-		80,000
Loans to customers	December 31, 2019		-		-		93,115
Listed equity instruments	December 31, 2019		42,146		-		-