Note 3 - Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	37.10%	22.90%	37.20%	29.50%
Income Tax Expense, Adjustments (in Dollars)			$ 575,000
Unrecognized Tax Benefits (in Dollars)	265,000		265,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued (in Dollars)	$ 13,000		$ 13,000