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Financing Arrangements (Details Narrative)
In Thousands, unless otherwise specified
0 Months Ended 0 Months Ended
Dec. 31, 2014
USD ($)
Dec. 31, 2014
EUR (€)
Dec. 31, 2013
USD ($)
Dec. 31, 2014
Receivable Finance Agreements [Member]
USD ($)
Dec. 31, 2013
Receivable Finance Agreements [Member]
USD ($)
Dec. 31, 2014
CIC Agreement [Member]
EUR (€)
Dec. 31, 2013
CIC Agreement [Member]
EUR (€)
Aug. 31, 2010
Lloyds TSB Commercial Finance [Member]
Aug. 31, 2010
Lloyds TSB Commercial Finance [Member]
UNITED KINGDOM
Dec. 31, 2014
Lloyds TSB Commercial Finance [Member]
Receivable Finance Agreements [Member]
USD ($)
Aug. 31, 2010
Lloyds TSB Commercial Finance [Member]
Receivable Finance Agreements [Member]
United Kingdom, Pounds [Member]
USD ($)
Sep. 20, 2010
FACTOCIC [Member]
EUR (€)
Dec. 31, 2014
FACTOCIC [Member]
USD ($)
Sep. 20, 2010
FACTOCIC [Member]
Eurodollar [Member]
Line of credit facility                   $ 4,280us-gaap_LineOfCredit
/ us-gaap_DebtInstrumentAxis
= emri_LloydsTsbCommercialFinanceMember
/ us-gaap_TypeOfArrangementAxis
= emri_ReceivableFinanceAgreementsMember
$ 2,750us-gaap_LineOfCredit
/ emri_AllCurrencyAxis
= currency_GBP
/ us-gaap_DebtInstrumentAxis
= emri_LloydsTsbCommercialFinanceMember
/ us-gaap_TypeOfArrangementAxis
= emri_ReceivableFinanceAgreementsMember
€ 135us-gaap_LineOfCredit
/ us-gaap_DebtInstrumentAxis
= emri_FACTOCICMember
$ 1,630us-gaap_LineOfCredit
/ us-gaap_DebtInstrumentAxis
= emri_FACTOCICMember
 
Percentage of advance rate for line of credit                 88.00%emri_PercentageOfAdvanceRateForLineOfCredit
/ us-gaap_DebtInstrumentAxis
= emri_LloydsTsbCommercialFinanceMember
/ us-gaap_StatementGeographicalAxis
= country_GB
    90.00%emri_PercentageOfAdvanceRateForLineOfCredit
/ us-gaap_DebtInstrumentAxis
= emri_FACTOCICMember
   
Service fees percentage for line of credit               0.20%emri_ServiceFeesPercentageForLineOfCredit
/ us-gaap_DebtInstrumentAxis
= emri_LloydsTsbCommercialFinanceMember
           
Discount percentage on line of credit               2.50%us-gaap_LineOfCreditFacilityCommitmentFeePercentage
/ us-gaap_DebtInstrumentAxis
= emri_LloydsTsbCommercialFinanceMember
           
Outstanding borrowings 2,400us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity   2,498us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity 381us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_TypeOfArrangementAxis
= emri_ReceivableFinanceAgreementsMember
443us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_TypeOfArrangementAxis
= emri_ReceivableFinanceAgreementsMember
381us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_TypeOfArrangementAxis
= emri_CICAgreementMember
753us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_TypeOfArrangementAxis
= emri_CICAgreementMember
             
Debt interest percentage                       1.40%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= emri_FACTOCICMember
  0.50%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= emri_FACTOCICMember
/ us-gaap_VariableRateAxis
= us-gaap_EurodollarMember
Accounts receivable   € 1,430us-gaap_AccountsReceivableNetNoncurrent       € 423us-gaap_AccountsReceivableNetNoncurrent
/ us-gaap_TypeOfArrangementAxis
= emri_CICAgreementMember
€ 920us-gaap_AccountsReceivableNetNoncurrent
/ us-gaap_TypeOfArrangementAxis
= emri_CICAgreementMember