Annual report pursuant to Section 13 and 15(d)

Notes Payable - Narrative (Details)

v2.4.1.9
Notes Payable - Narrative (Details) (USD $)
 0 Months Ended 3 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended
Jan. 31, 2013
Jun. 30, 2013
Dec. 31, 2014
Oct. 18, 2013
Jun. 30, 2012
financing_round
Dec. 31, 2012
Dec. 22, 2014
Sep. 11, 2014
Dec. 31, 2013
Jul. 31, 2013
Jul. 09, 2013
Mar. 31, 2012
Dec. 31, 2011
Debt Instrument [Line Items]                          
Warrant to purchase convertible preferred stock, shares         3,400,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights     4,227,187us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights          
Warrant exercise price         0.003us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1     $ 11.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1          
Notes payable balance     $ 3,015,000us-gaap_NotesPayable           $ 10,801,000us-gaap_NotesPayable        
PMG Stock Purchase                          
Debt Instrument [Line Items]                          
Effective interest rate percentage     3.25%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_BusinessAcquisitionAxis
= ent_PostModernGroupPurchaseMember 		                   
Long term debt assumed during business acquisition                   3,300,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= ent_PostModernGroupPurchaseMember 		3,300,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= ent_PostModernGroupPurchaseMember 		   
IFES Acquisition Corp Limited                          
Debt Instrument [Line Items]                          
Long term debt assumed during business acquisition       1,300,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= ent_IFESAcquisitionCorpLimitedMember 		                 
Number of credit facilities       2ent_NumberofCreditFacilities
/ us-gaap_BusinessAcquisitionAxis
= ent_IFESAcquisitionCorpLimitedMember 		                 
UniCredit Bank AG | Loans Payable                          
Debt Instrument [Line Items]                          
Debt instrument, term 4 years                        
Debt instrument, face amount 15,900,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LineOfCreditFacilityAxis
= ent_UniCreditBankAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember 		                       
Repayment of long-term borrowings 700,000us-gaap_RepaymentsOfLongTermDebt
/ us-gaap_LineOfCreditFacilityAxis
= ent_UniCreditBankAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember 		                       
Repayments of debt 2,200,000us-gaap_RepaymentsOfDebt
/ us-gaap_LineOfCreditFacilityAxis
= ent_UniCreditBankAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember 		                       
Loan payment   1,400,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_LineOfCreditFacilityAxis
= ent_UniCreditBankAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember 		                     
Loan balance including accrued interest     0ent_DebtInstrumentAccruedInterest
/ us-gaap_LineOfCreditFacilityAxis
= ent_UniCreditBankAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember 		          3,400,000ent_DebtInstrumentAccruedInterest
/ us-gaap_LineOfCreditFacilityAxis
= ent_UniCreditBankAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember 		       
UniCredit Bank AG | Loans Payable | Six-month Euribor                          
Debt Instrument [Line Items]                          
Basis spread on variable rate 2.35%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LineOfCreditFacilityAxis
= ent_UniCreditBankAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember
/ us-gaap_VariableRateAxis
= ent_SixMonthEuriborMember 		                       
Subordinated Bank Loan Due March 7, 2014 | Capital Efficiency Group AG | Subordinated bank loan                          
Debt Instrument [Line Items]                          
Stated interest rate 8.80%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= ent_SubordinatedBankLoanDueMarch72014Member
/ us-gaap_LineOfCreditFacilityAxis
= ent_CapitalEfficiencyGroupAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember 		                       
Debt instrument, face amount 2,600,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= ent_SubordinatedBankLoanDueMarch72014Member
/ us-gaap_LineOfCreditFacilityAxis
= ent_CapitalEfficiencyGroupAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember 		                       
Maturity date     Mar. 07, 2014                    
Long-term debt, excluding current maturities     0us-gaap_LongTermDebtNoncurrent
/ us-gaap_DebtInstrumentAxis
= ent_SubordinatedBankLoanDueMarch72014Member
/ us-gaap_LineOfCreditFacilityAxis
= ent_CapitalEfficiencyGroupAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember 		          2,800,000us-gaap_LongTermDebtNoncurrent
/ us-gaap_DebtInstrumentAxis
= ent_SubordinatedBankLoanDueMarch72014Member
/ us-gaap_LineOfCreditFacilityAxis
= ent_CapitalEfficiencyGroupAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember 		       
Subordinated Bank Loan Due March 7, 2014 | Capital Efficiency Group AG | Subordinated bank loan | Annual Interest Rate                          
Debt Instrument [Line Items]                          
Periodic principal payment, as a percent 1.00%ent_DebtInstrumentPeriodicPaymentPrincipalasaPercentofLoanBalance
/ us-gaap_DebtInstrumentAxis
= ent_SubordinatedBankLoanDueMarch72014Member
/ ent_InterestRatePeriodAxis
= ent_AnnualInterestRateMember
/ us-gaap_LineOfCreditFacilityAxis
= ent_CapitalEfficiencyGroupAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember 		                       
Subordinated Bank Loan Due March 7, 2014 | Capital Efficiency Group AG | Subordinated bank loan | Quarterly Interest Rate                          
Debt Instrument [Line Items]                          
Stated interest rate 7.80%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= ent_SubordinatedBankLoanDueMarch72014Member
/ ent_InterestRatePeriodAxis
= ent_QuarterlyInterestRateMember
/ us-gaap_LineOfCreditFacilityAxis
= ent_CapitalEfficiencyGroupAGMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SubordinatedDebtMember 		                       
Loan Agreement with HVB Investitionsbank GmbH, Munich | Other loans                          
Debt Instrument [Line Items]                          
Debt instrument, face amount 1,100,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= ent_LoanAgreementWithHvbInvestitionsbankGmbhMunichMember
/ us-gaap_LongtermDebtTypeAxis
= ent_AnnuityLoanMember 		                       
Term Loan | PMG Stock Purchase                          
Debt Instrument [Line Items]                          
Long term debt assumed during business acquisition                   1,500,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= ent_PostModernGroupPurchaseMember
/ us-gaap_DebtInstrumentAxis
= ent_TermLoanMember 		     
Line of Credit | PMG Stock Purchase                          
Debt Instrument [Line Items]                          
Long term debt assumed during business acquisition                   1,800,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= ent_PostModernGroupPurchaseMember
/ us-gaap_DebtInstrumentAxis
= us-gaap_LineOfCreditMember 		     
Mortgage letters maturing October 2014 | IFES Acquisition Corp Limited | Commercial mortgage loan                          
Debt Instrument [Line Items]                          
Long term debt assumed during business acquisition       200,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= ent_IFESAcquisitionCorpLimitedMember
/ us-gaap_DebtInstrumentAxis
= ent_MortgageLettersMaturingOctober2014Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember 		                 
Mortgage letters maturing October 2032 | IFES Acquisition Corp Limited                          
Debt Instrument [Line Items]                          
Effective interest rate percentage                 3.25%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_BusinessAcquisitionAxis
= ent_IFESAcquisitionCorpLimitedMember
/ us-gaap_DebtInstrumentAxis
= ent_MortgageLettersMaturingOctober2032Member 		       
Mortgage letters maturing October 2032 | IFES Acquisition Corp Limited | Base Rate                          
Debt Instrument [Line Items]                          
Basis spread on variable rate       1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_BusinessAcquisitionAxis
= ent_IFESAcquisitionCorpLimitedMember
/ us-gaap_DebtInstrumentAxis
= ent_MortgageLettersMaturingOctober2032Member
/ us-gaap_VariableRateAxis
= us-gaap_BaseRateMember 		                 
Mortgage letters maturing October 2032 | IFES Acquisition Corp Limited | Commercial mortgage loan                          
Debt Instrument [Line Items]                          
Long term debt assumed during business acquisition     900,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= ent_IFESAcquisitionCorpLimitedMember
/ us-gaap_DebtInstrumentAxis
= ent_MortgageLettersMaturingOctober2032Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember 		1,100,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= ent_IFESAcquisitionCorpLimitedMember
/ us-gaap_DebtInstrumentAxis
= ent_MortgageLettersMaturingOctober2032Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember 		        1,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= ent_IFESAcquisitionCorpLimitedMember
/ us-gaap_DebtInstrumentAxis
= ent_MortgageLettersMaturingOctober2032Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_MortgagesMember 		       
Bridge Loan | Row 44 Bridge Loan                          
Debt Instrument [Line Items]                          
Convertible bridge loan                       10,000,000us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember 		10,000,000us-gaap_ConvertibleDebt
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember
Stated interest rate                       12.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember 		 
Conversion price, as a percent         20.00%ent_ConversionPriceDiscountPercentageofIssuancePrice
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember 		               
Number of financing rounds         2ent_FinancingNumberofRounds
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember 		               
Redemption amount over face value, as a percent                       20.00%ent_DebtInstrumentRedemptionAmountPercentageOverFace
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember 		 
Interest expense           9,600,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember 		             
Aggregate balance of loans converted           20,000,000us-gaap_DebtConversionOriginalDebtAmount1
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember 		             
Accrued interest on debt converted           800,000ent_DebtConversionAccruedInterestAmount
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember 		             
Effective interest rate percentage           421.00%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= ent_Row44BridgeLoanMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember 		             
Revolving Credit Facility | Citibank                          
Debt Instrument [Line Items]                          
Maximum borrowing capacity on line of credit             20,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= ent_CitibankMember 		           
Remaining borrowing capacity on line of credit     20,000,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= ent_CitibankMember 		                   
Term Loan | Citibank                          
Debt Instrument [Line Items]                          
Loan payment             200,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_CreditFacilityAxis
= ent_TermLoanMember
/ us-gaap_LineOfCreditFacilityAxis
= ent_CitibankMember 		           
Maximum borrowing capacity on line of credit             2,400,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= ent_TermLoanMember
/ us-gaap_LineOfCreditFacilityAxis
= ent_CitibankMember 		           
Debt issuance cost             300,000us-gaap_DebtIssuanceCosts
/ us-gaap_CreditFacilityAxis
= ent_TermLoanMember
/ us-gaap_LineOfCreditFacilityAxis
= ent_CitibankMember 		           
Notes payable balance     $ 2,000,000us-gaap_NotesPayable
/ us-gaap_CreditFacilityAxis
= ent_TermLoanMember
/ us-gaap_LineOfCreditFacilityAxis
= ent_CitibankMember