Sale of Stock, Number of Shares Issued in Transaction, Additional Shares

No definition available.

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Namespace Prefix:	elgx_
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- Definition

Sale of Stock, Potential Consideration Received on Transaction

+ References

No definition available.

+ Details

Name:	elgx_SaleofStockPotentialConsiderationReceivedonTransaction
Namespace Prefix:	elgx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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Subsequent Events sasdsa (Details) - USD ($) $ / shares in Units, $ in Millions	Oct. 24, 2018	Sep. 30, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Common stock par value (in dollars per share)		$ 0.001	$ 0.001
Subsequent Event
Subsequent Event [Line Items]
Number of shares issued in transaction	17,653,809
Common stock par value (in dollars per share)	$ 0.001
Price per share (usd per share)	$ 1.1329
Number of shares issued in transaction, additional shares	2,648,071
Potential consideration on transaction	$ 20.0