Note 5 - Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Text Block]
Income Tax Expense (Benefit)	$ 792	$ (3,527)	$ 1,656	$ (2,288)
Effective Income Tax Rate Reconciliation, Percent			40.70%	34.80%
Effective Income Tax Reconciliation, Excluding Goodwill Impairment Charge, Percent				40.80%
Intangible Assets And Goodwill Amortization Period			15 years