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Note 6 - Capital Shares - Vested Restricted Stock Units (Details) | Mar. 31, 2025 shares
--- | ---
Restricted Stock Units (RSUs) [Member] |
Fully-vested RSUs (in shares) | 98,147

X
- Definition Number of fully vested equity instruments other than options outstanding that can be converted into shares. + References No definition available. + Details
Name: | edsa_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNumber
Namespace Prefix: | edsa_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |