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Note 12 - Right-of-use Assets, Net and Lease Liabilities (Details Textual) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Leases paid in advance |  |  | $ 4.0
Expense relating to short-term leases for which recognition exemption has been used | $ 1.7 | $ 15.1 |
Expense relating to leases of low-value assets for which recognition exemption has been used | $ 3.2 | $ 1.3 |
Not later than one year [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Remaining lease payments to be made, percentage | 16.90% |  |
Later than one year and not later than five years [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Remaining lease payments to be made, percentage | 40.50% |  |
Later than five years [member] |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Remaining lease payments to be made, percentage | 42.60% |  |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of the expense relating to leases of low-value assets accounted for applying paragraph 6 of IFRS 16. This expense shall not include the expense relating to short-term leases of low-value assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_d&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of the expense relating to short-term leases accounted for applying paragraph 6 of IFRS 16. This expense need not include the expense relating to leases with a lease term of one month or less. Short-term lease is a lease that, at the commencement date, has a lease term of 12 months or less. A lease that contains a purchase option is not a short-term lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition It refers to the leases paid in advance as of beginning of year 2019 that were not considered as lease liabilities. + References No definition available. + Details
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- Definition Percentage of total remaining payments to be made. + References No definition available. + Details
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