Represents the amount of application development contract amount.

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the development of blockchain technology based applications.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- 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)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

+ Details

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- Definition

The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, beyond the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the long-term.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585

+ Details

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Period Type:	duration

- Details

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Note 20 - Commitments and Contingencies (Details Textual) $ in Thousands, ¥ in Millions			9 Months Ended
	Nov. 05, 2021 USD ($)	Nov. 05, 2021 CNY (¥)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 CNY (¥)	Dec. 31, 2020 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)
Equity Securities without Readily Determinable Fair Value, Amount			$ 1,911			$ 67
Payments to Acquire Long-term Investments			1,919	$ 27
Payment for Blockchain Technology Based Applications Development Costs			(0)	$ 302
Contract to Develop Blockchain Technology Based Applications [Member]
Application Development Contracts, Contract Amount							$ 4,960	$ 4,500
Payment for Blockchain Technology Based Applications Development Costs			$ 4,410
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			$ 770		¥ 5
Shenzhen Global Best Products Import & Export Co. [Member] \| Subsequent Event [Member]
Payments to Acquire Long-term Investments	$ 310	¥ 2