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Commitment and Contingencies - Narrative (Details) $ in Thousands | Jun. 30, 2024 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
Aggregate consideration paid to NU for agreement obligations | $ 11,567

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- References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Aggregate Payments Made To Date For License Agreements + References No definition available. + Details
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Namespace Prefix: | xcur_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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