Note 9 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2013
Note 9 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Percent	38.20%	38.50%
Unrecognized Tax Benefits	$ 0.7	$ 0.7	$ 0.8
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	0.5	0.5
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ (0.2)	$ (0.2)
Internal Revenue Service (IRS) [Member]
Note 9 - Income Taxes (Details) [Line Items]
Open Tax Year Subject To Examination		2008 through 2013
State and Foreign Jurisdictions [Member]
Note 9 - Income Taxes (Details) [Line Items]
Open Tax Year Subject To Examination		2008 to 2013