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Note 14 - Income Taxes (Detail) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2025
Dec. 31, 2015
Dec. 31, 2013
Dec. 31, 2012
Income Tax Expense (Benefit) $ 4,508,000 $ (28,544,000) $ (50,176,000)        
State Corporate Income Tax Rate 9.50% 7.30%   7.30% 7.75%    
Additional State Tax Expense 418,000            
Valuation Allowance, Deferred Tax Asset, Change in Amount 1,600,000            
Deferred Tax Assets, Operating Loss Carryforwards, Domestic 16,962,000 7,299,000       100,000 100,000
Deferred Tax Assets, Operating Loss Carryforwards           2,600,000  
Business Combination, Acquired Receivables, Estimated Uncollectible 2,500,000            
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 269,000            
Income Tax Expense Benefit [Member]
             
Income Tax Expense (Benefit) $ 4,500,000 $ 28,500,000