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Note 19 - Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] |
|  |  |  |  |  | Fair value measurement |
Recurring fair value measurement |  | Total fair value |  |  | Quoted prices in active markets for identical assets (Level 1) |  |  | Significant other observable inputs (Level 2) |  |  | Significant unobservable inputs (Level 3) |
|  | $ |  |  | $ |  |  | $ |  |  | $ |
As of December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trading debt securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financial products issued by commercial banks |  |  | 2,872 |  |  |  | - |  |  |  | 2,872 |  |  |  | - |
Total assets measured at fair value |  |  | 2,872 |  |  |  | - |  |  |  | 2,872 |  |  |  | - |
As of December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trading debt securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financial products issued by commercial banks |  |  | 193 |  |  |  | - |  |  |  | 193 |  |  |  | - |
Total assets measured at fair value |  |  | 193 |  |  |  | - |  |  |  | 193 |  |  |  | - |
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] |
|  | Valuation technique |  | Unobservable inputs |  | Range as of
| December 31, 2021 |  | June 13, 2022
Forward contract |  | Discounted cash flow |  | Discount for lack of marketability |  | 10% |  | 10%
|  |  |  | Volatility |  | 85% |  | 85%
|  |  |  | Weighted average cost of capital |  | 14.50% |  | 17.10%
|  | Probability-based valuation approach |  | Probability of achieving contingent target |  | 90% |  | 100%
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] |
|  | Forward contract |
|  | $ |
Balance as of December 31, 2020 (liability) |  |  | (278 | )
Gains from changes in fair value |  |  | 444 |
Balance as of December 31, 2021 (asset) |  |  | 166 |
Gains from changes in fair value |  |  | 1,071 |
Settlement during the year |  |  | (1,237 | )
Balance as of December 31, 2022 |  |  | - |

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- Definition Tabular disclosure of financial instrument measured at fair value on recurring or nonrecurring basis. Includes, but is not limited to, instrument classified in shareholders' equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 103 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-103 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) using recurring unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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