Variable rate basis spread percentage below the equivalent LIBOR variable rate basis spread.

No definition available.

Name:	egan_DebtInstrumentBasisSpreadOnVariableRatePercentageBelowLiborBasisSpread
Namespace Prefix:	egan_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents credit agreement fixed charge coverage ratio.

+ References

No definition available.

+ Details

Name:	egan_DebtInstrumentCovenantConsolidatedFixedChargeCoverageRatio
Namespace Prefix:	egan_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents credit agreement leverage ratio.

+ References

No definition available.

+ Details

Name:	egan_DebtInstrumentCovenantConsolidatedLeverageRatio
Namespace Prefix:	egan_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the minimum liquidity the company is required to maintain within financial covenants as defined by the agreement.

+ References

No definition available.

+ Details

Name:	egan_DebtInstrumentCovenantMinimumLiquidity
Namespace Prefix:	egan_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the number of consecutive fiscal quarters the entity must maintain several ratios as defined in the agreement prior to the Financial Covenant Replacement Date.

+ References

No definition available.

+ Details

Name:	egan_DebtInstrumentCovenantNumberOfQuartersToMeetRatios
Namespace Prefix:	egan_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of trailing months of revenues used to calculate the TTM Recurring Revenue Calculation as defined in financial covenants of the entity.

+ References

No definition available.

+ Details

Name:	egan_FinancialCovenantRecurringRevenueCalculationTime
Namespace Prefix:	egan_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The total liquidity value of the entity.

+ References

No definition available.

+ Details

Name:	egan_LiquidityValue
Namespace Prefix:	egan_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the number of financial covenants modified by Amendment Number Two that the company is required to comply with prior to the Financial Covenant Replacement Date as defined in the agreement.

+ References

No definition available.

+ Details

Name:	egan_NumberOfFinancialCovenantsPriorToFinancialCovenantReplacementDate
Namespace Prefix:	egan_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the percentage of premium on voluntary repayments of the Term Loan, voluntary permanent reductions of the commitment related to the Revolving Loans and certain mandatory prepayments.

+ References

No definition available.

+ Details

Name:	egan_PrepaymentPremium
Namespace Prefix:	egan_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=egan_CreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=egan_CreditAgreementAmendmentNumberTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Bank Borrowings - Amendment No. 2 (Details) $ in Millions	Jan. 27, 2017 USD ($) item	Jan. 26, 2017 USD ($)	Nov. 21, 2014	Dec. 31, 2018 USD ($)
Bank Borrowings
Amount of Liquidity				$ 19.0
Credit Agreement \| LIBOR
Bank Borrowings
Debt instrument variable rate			4.75%
Credit Agreement \| Revolving Loan
Bank Borrowings
Prepayment premium			1.00%
Credit Agreement \| Term Loan
Bank Borrowings
Prepayment premium			1.00%
Amendment Number Two
Bank Borrowings
TTM Recurring Revenue, covenant, number of months	12 months
Number of financial covenants modified by Amendment Number Two \| item	2
Number of immediately preceding consecutive fiscal quarters leverage ratio must be met \| item	2
Amendment Number Two \| LIBOR
Bank Borrowings
Debt instrument variable rate basis	LIBOR
Amendment Number Two \| Base Rate
Bank Borrowings
Debt instrument variable rate basis	Base Rate
Debt instrument variable rate, percent below LIBOR variable rate	1.00%
Amendment Number Two \| Revolving Loan
Bank Borrowings
Prepayment premium	1.00%
Amendment Number Two \| Term Loan
Bank Borrowings
Prepayment premium	1.00%
Minimum \| Credit Agreement
Bank Borrowings
Financial covenant, minimum liquidity		$ 10.0
Minimum \| Credit Agreement
Bank Borrowings
Fixed charge coverage ratio			1.50
Minimum \| Amendment Number Two
Bank Borrowings
Fixed charge coverage ratio	1.50
Financial covenant, minimum liquidity	$ 4.0
Minimum \| Amendment Number Two \| LIBOR
Bank Borrowings
Debt instrument variable rate	5.50%
Maximum \| Credit Agreement
Bank Borrowings
Leverage ratio			2.50
Maximum \| Amendment Number Two
Bank Borrowings
Leverage ratio	2.50
Maximum \| Amendment Number Two \| LIBOR
Bank Borrowings
Debt instrument variable rate	7.00%