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Note 9 - Earnings (Loss) Per Common Share (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2015
Predecessor [Member] | Warrant [Member]    
Note 9 - Earnings (Loss) Per Common Share (Details) [Line Items]    
Weighted Average Underlying Warrant Shares Issuable 615,997egle_WeightedAverageUnderlyingWarrantSharesIssuable
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
 
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share) $ 0.01us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
 
Predecessor [Member] | Restricted Stock [Member]    
Note 9 - Earnings (Loss) Per Common Share (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 123,667us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
 
Predecessor [Member] | Employee Stock Option [Member]    
Note 9 - Earnings (Loss) Per Common Share (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,727,667us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
 
Successor [Member] | Warrant [Member]    
Note 9 - Earnings (Loss) Per Common Share (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   3,045,327us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
Successor [Member] | Restricted Stock [Member]    
Note 9 - Earnings (Loss) Per Common Share (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   489,471us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
Successor [Member] | Employee Stock Option [Member]    
Note 9 - Earnings (Loss) Per Common Share (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   975,312us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember