Note 8 - Other Assets (Details Textual) ¥ in Thousands, $ in Thousands	3 Months Ended
Jun. 30, 2021 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2022 CNY (¥)	Oct. 02, 2013 USD ($)	Oct. 02, 2013 CNY (¥)	Dec. 02, 2010 USD ($)	Dec. 02, 2010 CNY (¥)
Percentage of Investment				10.00%	10.00%	10.00%	10.00%
Management Fee Payable	$ 803		¥ 5,000				¥ 5,000
Loss On Joint Venture	(22)		(137)			$ 22	¥ 137
Investments, Total	803		5,000	$ 788,000	¥ 5,000
Loans and Leases Receivable, Related Parties, Ending Balance	788	$ 788	5,000
Interest Receivable	197	197	1,250
Impairment of Interest	143	$ 143	¥ 906
Asset Impairment Charges, Total	$ 1,580

Represents impairment of interest.

No definition available.

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- Definition

Represents loss on Joint Venture.

+ References

No definition available.

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- Definition

Represents percentage of investment.

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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- Definition

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

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- Definition

Carrying amount of the unpaid portion of the fee payable to the managing member or general partner for management of the fund or trust.

+ References

No definition available.

+ Details

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