Note 1 - The Company and Summary of Significant Accounting Policies (Details)	9 Months Ended
	Sep. 30, 2011
Company and Summary of Significant Accounting Policies, Details
Assets and liabilities of majority-owned subsidiaries included in financial statements	100.00%
Equity method accounting policy, investment ownership range minimum	20.00%
Equity method accounting policy, investment ownership range less than maximum	50.00%