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Note 8 - Restricted Net Assets	3 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Restricted Assets Disclosure [Text Block]	8. Restricted net assets As a result of PRC laws and regulations, the Company’s PRC subsidiaries are restricted in their ability to transfer a portion of their net assets to the Company. As of December 31, 2019 and March 31, 2020, amounts restricted were the net assets of the Company’s PRC subsidiaries, which amounted to $2,032 and $329, respectively.

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The entire disclosure for assets that are restricted in their use, generally by contractual agreements or regulatory requirements. This would include, but not limited to, a description of the restricted assets and the terms of the restriction.

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