Note 3 - Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.90%	34.90%	36.80%	31.30%
Income Tax Expense, Adjustments (in Dollars)			$ 575,000
Unrecognized Tax Benefits (in Dollars)	172,000		172,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued (in Dollars)	$ 14,000		$ 14,000