Note 3 - Summary of Significant Accounting Policies (Details) - Exchange Rates Used to Translate Amounts in RMB into US$ (Statements of Income, Comprehensive Income and Cash Flows [Member])	Mar. 31, 2014	Mar. 31, 2013
Statements of Income, Comprehensive Income and Cash Flows [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Items in the statements of income and comprehensive income, and statements of cash flows	6.1199	6.2858