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Note 8 - Income Tax (Tables)

12 Months Ended

Dec. 31, 2022

Major components of tax expense (income) [abstract]

Disclosure of detailed information about income tax expense (benefit) [text block]

	Year ended December 31,
	2022			2021			2020
Current tax	(589,706	)		(215,467	)		(121,048	)
Deferred tax	(27,530	)		26,019			97,898
Tax charge	(617,236	)		(189,448	)		(23,150	)

Disclosure of difference between income before tax and the theoretical amount that would arise using tax rate in each country [text block]

	Year ended December 31,
	2022			2021			2020
Income (loss) before income tax	3,165,937			1,242,766			(619,267	)
Less impairment charges (non-deductible)	-			57,075			622,402
Income before income tax without impairment charges	3,165,937			1,299,841			3,135

Tax calculated at the tax rate in each country	(705,727	)		(209,765	)		21,052
Effect of currency translation on tax base	(187,186	)		(76,043	)		(72,936	)
Changes in the tax rates	(3,422	)		(29,881)			(958	)
Utilization of previously unrecognized tax losses	29,560			966			98
Tax revaluation, withholding tax and others	249,539			125,275			29,594
Tax charges	(617,236	)		(189,448	)		(23,150	)