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Note 19 - Stock-based Compensation (Details) - USD ($)
4 Months Ended 8 Months Ended 12 Months Ended
Sep. 03, 2013
Dec. 31, 2013
Aug. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Note 19 - Stock-based Compensation (Details) [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 5 years          
Successor [Member] | Omnibus Incentive Plan 2013 [Member]            
Note 19 - Stock-based Compensation (Details) [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period       7 years    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)       4,800,000    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)       2,000,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Cash Payment Per Employee       $ 2,500,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Fair Value of Awards Per Non-Employee Director       900,000    
Allocated Share-based Compensation Expense       $ 4,000,000 $ 1,000,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized         $ 5,000,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition       1 year 219 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value       $ 0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)       0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)       $ 5.94 $ 7.74  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value       $ 2,000,000 $ 0 $ 0
Predecessor [Member]            
Note 19 - Stock-based Compensation (Details) [Line Items]            
Allocated Share-based Compensation Expense     $ 3,000,000      
Stock Options and Stock Appreciation Rights [Member] | Successor [Member] | Omnibus Incentive Plan 2013 [Member]            
Note 19 - Stock-based Compensation (Details) [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee (in Shares)       2,000,000    
Performance Shares [Member] | Successor [Member] | Omnibus Incentive Plan 2013 [Member]            
Note 19 - Stock-based Compensation (Details) [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee (in Shares)       1,000,000    
Allocated Share-based Compensation Expense       $ 6,000,000    
Unvested Restricted Stock Awards [Member] | Successor [Member] | Omnibus Incentive Plan 2013 [Member]            
Note 19 - Stock-based Compensation (Details) [Line Items]            
Allocated Share-based Compensation Expense   $ 1,000,000   7,000,000 $ 7,000,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized       $ 6,000,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition       1 year 6 months    
Minimum [Member] | Successor [Member] | Omnibus Incentive Plan 2013 [Member]            
Note 19 - Stock-based Compensation (Details) [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent       100.00%