Note 4 - Income Taxes (Details) (USD $)	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Note 4 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%
Liability for Uncertain Tax Positions, Current	$ 2,000,000	$ 2,600,000
Excess Tax Benefit from Share-based Compensation, Operating Activities	111,000
State and Local Jurisdiction [Member]
Note 4 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 600,000