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Note 10 - Intangible Assets, Net - Intangible Assets, Net (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Finite-lived intangible assets |  | $ 5,425 | $ 4,251
Finite-lived intangible assets, Accumulated amortization |  | (1,547) | (1,258)
Finite-lived intangible assets, Impairment |  | (440) | (436)
Intangible assets, net * | [1] | 3,438 | 2,557
Cloud-Computing Based Software Platforms [Member] |  |  |
Finite-lived intangible assets |  | 1,437 | 1,423
Finite-lived intangible assets, Accumulated amortization |  | (997) | (978)
Finite-lived intangible assets, Impairment |  | (440) | (436)
Intangible assets, net * |  | 0 | 9
Internet Ad Tracking System [Member] |  |  |
Finite-lived intangible assets |  | 1,161 |
Finite-lived intangible assets, Accumulated amortization |  | (58) |
Finite-lived intangible assets, Impairment |  | 0 |
Intangible assets, net * |  | 1,103 |
Livestreaming Technology [Member] |  |  |
Finite-lived intangible assets |  | 1,500 | 1,500
Finite-lived intangible assets, Accumulated amortization |  | (175) | (25)
Finite-lived intangible assets, Impairment |  | 0 | 0
Intangible assets, net * |  | 1,325 | 1,475
Licensing Agreements [Member] |  |  |
Finite-lived intangible assets |  | 1,206 | 1,208
Finite-lived intangible assets, Accumulated amortization |  | (196) | (135)
Finite-lived intangible assets, Impairment |  | 0 | 0
Intangible assets, net * |  | 1,010 | 1,073
Other Computer Software [Member] |  |  |
Finite-lived intangible assets |  | 121 | 120
Finite-lived intangible assets, Accumulated amortization |  | (121) | (120)
Finite-lived intangible assets, Impairment |  | 0 | 0
Intangible assets, net * |  | $ 0 | $ 0
[1] | All of the VIEs' assets can be used to settle obligations of their primary beneficiary. Liabilities recognized as a result of consolidating these VIEs do not represent additional claims on the Company's general assets (Note 2).

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- Definition The amount of accumulated impairment loss recognized resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
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