Note 3 - Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	36.00%	35.90%	35.30%	36.80%
Unrecognized Tax Benefits (in Dollars)	$ 212,000		$ 212,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued (in Dollars)	6,000		6,000
Income Tax Examination, Penalties Accrued (in Dollars)	$ 0		$ 0