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

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- Definition

Percentage of investment in equity security without readily determinable fair value disposed of during the period.

+ References

No definition available.

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
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- Definition

Amount of realized and unrealized gain (loss) on investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27405-111563

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(c),9(a))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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Note 8 - Long-term Investments (Details Textual) ¥ in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	May 31, 2021	Dec. 31, 2021 USD ($)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2019 USD ($)
Equity Securities without Readily Determinable Fair Value, Amount		$ 2,280		$ 67		$ 35
New Business Holdings Limited [Member]
Equity Securities without Readily Determinable Fair Value, Percent		15.38%	15.38%
Equity Securities without Readily Determinable Fair Value, Amount		$ 1,000
Guang Dong WeFriend Co., Ltd [Member]
Equity Securities without Readily Determinable Fair Value, Percent		10.00%	10.00%
Equity Securities without Readily Determinable Fair Value, Amount		$ 470
Shenzhen Global Best Products Import & Export Co. [Member]
Equity Securities without Readily Determinable Fair Value, Percent		9.09%	9.09%
Equity Securities without Readily Determinable Fair Value, Amount		$ 780	¥ 5,000
Guangzhou Gong Xiang Technology Co. [Member]
Equity Securities without Readily Determinable Fair Value, Percent		15.00%	15.00%
Equity Securities without Readily Determinable Fair Value, Amount		$ 240
Xiao Peng Education [Member]
Equity Securities without Readily Determinable Fair Value, Percent		17.00%	17.00%
Equity Securities without Readily Determinable Fair Value, Amount		$ 80
Business Opportunity Chain [Member]
Equity Securities without Readily Determinable Fair Value, Percent		19.00%	19.00%
Global Best Products [Member]
Equity Securities without Readily Determinable Fair Value, Amount		$ 310
Business Opportunity Chain (Guangzhou) Technology Co., Ltd. [Member]
Equity Securities without Readily Determinable Fair Value, Amount		150		30	¥ 190
Local Chain Xi’an [Member]
Equity Securities without Readily Determinable Fair Value, Amount				$ 40	¥ 250
Equity Securities without Readily Determinable Fair Value, Percent, Disposed Of	4.90%
Gain (Loss) on Investments, Total		$ (40)