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v3.21.1

Revenue Recognition - Additional Information (Details) | Mar. 31, 2021 USD ($)
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Revenue From Contract With Customer [Abstract] |
Maximum amount of reduction in monthly co-payments of each prescription | $ 100

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- Definition The amount of maximum reduction in monthly co-payments of each prescription. + References No definition available. + Details
Name: | ecor_MaximumAmountOfReductionInMonthlyCoPaymentsOfEachPrescription
Namespace Prefix: | ecor_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration