Note 5 - 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	42.40%	39.90%	43.00%
Unrecognized Tax Benefits	$ 340,000	$ 281,000
Unrecognized Tax Benefits, Period Increase (Decrease)	59,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 221,000