Note 3 - Summary of Significant Accounting Policies- Exchange Rates Used to Translate Amounts In RMB Into US$ (Details) - Balance Sheet Items, Except Equity Accounts [Member]	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Balance sheet items, except for equity accounts	6.6166		6.6166		6.5342
Items in the statements of operations and comprehensive loss, and statements of cash flows	6.3789	6.8536	6.3711	6.8697

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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