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Note 6 - Income Taxes (Detail) (USD $)
9 Months Ended 15 Months Ended
Sep. 30, 2012
Sep. 30, 2013
Sep. 06, 2005
Deferred Tax Assets, Operating Loss Carryforwards, Domestic $ 125,000,000   $ 58,000,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local 86,000,000    
Unrecognized Tax Benefits 3,300,000    
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions 321,000    
Unrecognized Tax Benefits, Period Increase (Decrease)   $ 300,000