Note 3 - Intangible Assets and Impairment (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Goodwill, Impaired, Accumulated Impairment Loss	$ 724
Finite-Lived Intangible Assets, Amortization Expense, Year Two	1.8
Finite-Lived Intangible Assets, Amortization Expense, Year Three	1.8
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1.8
Finite-Lived Intangible Assets, Amortization Expense, Year Five	1.8
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 1.8
Finite-Lived Intangible Asset, Useful Life	16 years