Note 2 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			34.00%
Income Tax Expense (Benefit)	$ (333,000)	$ 38,000
Effective Income Tax Rate Reconciliation, Percent			34.30%