Note 6 - Personnel Expenses Including Share-based Remuneration (Tables)

12 Months Ended

Dec. 31, 2019

Statement Line Items [Line Items]

Disclosure of personnel expenses including share-based remuneration [text block]

[US$ thousands]	Year ended December 31,
Personnel expenses including share-based remuneration	2017		2018		2019
Salaries incl. bonuses		23,714		20,412		34,186
Social security cost, excluding amounts related to share-based remuneration		4,235		3,428		3,777
External temporary hires		686		1,687		8,159
Defined-contribution pension cost		2,068		2,066		3,616
Other personnel related expenses		1,935		2,244		5,364
Personnel expenses excluding share-based remuneration		32,638		29,836		55,101
Share-based remuneration, including related social security costs		9,496		4,846		5,928
Total		42,134		34,683		61,029

Disclosure of research and development expense [text block]

[US$ thousands]	Year ended December 31,
Research and development expenditure	2017		2018		2019
Total research and development expenditure		23,386		26,418		34,143
Less: Capitalized development expenditure excluded from personnel expenses		3,503		4,545		4,056
Net expensed research and development expenditure		19,883		21,873		30,087

Disclosure of information about key management personnel [text block]

[US$ thousands]	Year ended December 31,
Compensation of key management personnel	2017		2018		2019
Short-term employee benefits		946		843		2,121
Post-employment and medical benefits		47		57		59
Share-based payment transactions		-		621		536
Total		993		1,521		2,716

Explanation of effect of share-based payments on entity's profit or loss [text block]

[US$ thousands]	Year ended December 31,
Expense from share-based payment transactions	2017		2018		2019
Expense arising from equity-settled share-based payment transactions (1)		9,496		4,846		5,928
Expense arising from cash-settled share-based payment transactions		-		-		-
Total		9,496		4,846		5,928

Disclosure of number and weighted average exercise prices of other equity instruments [text block]

	Year ended December 31,
RSUs	2018			2019
Outstanding at period start		3,882,600			4,244,132
Granted during the period		516,000			1,019,000
Forfeited during the period		(154,468	)		(550,700	)
Exercised during the period		-			(1,728,492	)
Expired during the period		-			-
Outstanding at period end		4,244,132			2,983,940

Disclosure of number and weighted average exercise prices of share options [text block]

	Year ended December 31,
Options	2018		2019
Outstanding at period start		-		-
Granted during the period		-		150,000
Forfeited during the period		-		-
Exercised during the period		-		-
Expired during the period		-		-
Outstanding at period end		-		150,000

Disclosure of indirect measurement of fair value of goods or services received, other equity instrument granted during period [text block]

	2018 RSU grants: RSU valuation input			2019 RSU grants: RSU valuation input			2019 RSU grants: Option valuation input
Equity unit price valuation ($)		7.75			9.09	(3)		7.42
Model Used		Monte Carlo			Monte Carlo			Black-Scholes
Expected Volatility (%) (1), (2)		35.28	%		40.00	%		40	%
Risk free interest rate (%) (1)		2.43	%		1.70	%		2.43	%
Dividend Yield (%)		0	%		0	%		0	%
Duration of initial simulation period (years to longstop date)		4.73			3.16			4.81
Duration of second simulation period with postponed exercise (years)		3.00			3.00			N/A
Fair value at the measurement date ($)		7.12			8.92			2.36