Note 4 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Note 4 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	35.00%
Effective Income Tax Rate Reconciliation, Tax Holiday, Percent	0.30%	1.20%
Korean Withholding Tax [Member]
Note 4 - Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Adjustment for Equity Investment Dividend (in Dollars)		102
Low Or No Tax Cost [Member]
Note 4 - Income Taxes (Details) [Line Items]
Undistributed Earnings of Foreign Subsidiaries (in Dollars)	6
National Tax Agency, Japan [Member]
Note 4 - Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability (in Dollars)	11