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Note 18 - Bankruptcy (Details Textual) - USD ($)
1 Months Ended 13 Months Ended
Oct. 15, 2014
Oct. 09, 2014
Oct. 15, 2014
Oct. 15, 2015
Oct. 15, 2019
Management Incentive Plan 2014 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years        
Restructuring Support Agreement and Plan of Reorganization [Member] | Management Incentive Plan 2014 [Member]          
Reorganization, Share-based Compensation Diluted Effect, Percentage of Reorganized Company Common Stock 2.00%   2.00%    
Reorganization, Share-based Compensation Diluted Effect, Percentage of New Company Common Stock 5.50%   5.50%    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     4 years    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     25.00%    
Restructuring Support Agreement and Plan of Reorganization [Member] | New Eagle Equity Warrants [Member]          
Warrant Term       7 years  
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 556.40  
Restructuring Support Agreement and Plan of Reorganization [Member] | Holders of Equity Interests [Member]          
Reorganization, Percentage of Common Stock 0.50%   0.50%    
Restructuring Support Agreement and Plan of Reorganization [Member] | Holders of Equity Interests [Member] | New Eagle Equity Warrants [Member]          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 152,266   152,266    
Warrant Term     7 years    
Restructuring Support Agreement and Plan of Reorganization [Member] | Holders of Loans and Other Obligations [Member]          
Reorganization, Percentage of Common Stock 99.50%   99.50%    
Revolving Credit Facility [Member] | Restructuring Support Agreement and Plan of Reorganization [Member]          
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   40.00%      
Scenario, Forecast [Member] | Line of Credit [Member] | Restructuring Support Agreement and Plan of Reorganization [Member]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 275,000,000
Scenario, Forecast [Member] | Revolving Credit Facility [Member] | Restructuring Support Agreement and Plan of Reorganization [Member]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 50,000,000