Note 3 - Income Taxes (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	34.60%	37.30%
Unrecognized Tax Benefits	$ 188,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	5,000
Income Tax Examination, Penalties Accrued	$ 0