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Note 6 - Related Party Transactions	9 Months Ended
	Sep. 30, 2021
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	6. Related party transactions During the nine months ended September 30, 2020, the Company borrowed 60-day interest-free loans totaling of $32 (RMB230) from Dalian Wanchun Biotechnology Co., Ltd., the noncontrolling shareholder of Wanchunbulin, and these loans were repaid in September 2020.

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- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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