Note 3 - Summary of significant accounting policies (Tables)

6 Months Ended

Jun. 30, 2012

Balance Sheet Items Except Equity Accounts [Member]

Foreign Currency Exchange Rates [Table Text Block]

	June 30, 2012		December 31, 2011
Balance sheet items, except for equity accounts		6.3197		6.3647

Statements of Income, Comprehensive Income and Cash Flows [Member]

Foreign Currency Exchange Rates [Table Text Block]

	Six Months Ended June 30,
		2012	2011
Items in the statements of income and comprehensive income, and statements of cash flows		6.3255	6.5482

	Three Months Ended June 30,
		2012	2011
Items in the statements of income and comprehensive income, and statements of cash flows		6.3309	6.5074