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Contingencies - Additional Information (Details)	Jul. 17, 2020 INVESTORS
Class Of Warrant Or Right [Line Items]
Number of investors as defendants	2

X

- Definition

Number of investors as defendants.

+ References

No definition available.

+ Details

Name:	ecor_NumberOfInvestorsAsDefendants
Namespace Prefix:	ecor_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

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