Note 10 - Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	37.80%	38.90%	39.90%
Deferred Tax Assets, Net of Valuation Allowance	$ 37,700,000
Deferred Tax Liabilities, Gross	19,613,000	35,237,000
Deferred Tax Assets, Valuation Allowance	$ 0	$ 0