Note 8 - Long-term Investments - Summary of Long-term Investments (Details) $ in Thousands	9 Months Ended
Sep. 30, 2025 USD ($)
Balance	$ 397
Exchange translation adjustment	0
Cash investments during the year	0
Disposed during the year	0
Impairment losses provided during the year	0
Balance	$ 397

The amount of equity securities without readily determinable fair value disposed of during the period.

No definition available.

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- Definition

Represents the increase (decrease) in the amount of investment in equity security without readily determinable fair value attributable to exchange translation adjustment(s) during the period.

+ References

No definition available.

+ Details

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- Definition

Represents the increase in the amount of investment in equity security without readily determinable fair value attributable to cash investments during the period.

+ References

No definition available.

+ Details

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

+ Details

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- Definition

Amount of cumulative impairment loss on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

+ Details

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