Note 5 - Income Taxes (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 962,000	$ (11,663,000)		$ 2,618,000	$ (13,951,000)
Effective Income Tax Rate Reconciliation, Percent				41.00%	35.90%
Tax Adjustments, Settlements, and Unusual Provisions		(200,000)
Goodwill, Impairment Loss		$ 36,600,000	$ 12,000,000		$ 48,600,000
Income Tax Rate On Goodwill Impairment		36.00%
Effective Income Tax Reconciliation, Excluding Goodwill Impairment Charge, Percent					40.90%
Intangible Assets And Goodwill Amortization Period				15 years