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Merger and Related Transactions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) $ in Thousands | Jun. 01, 2023 USD ($)
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Reverse Recapitalization [Abstract] |
Cash and cash equivalents | $ 24,001
Other current assets | 540
Promissory notes | 10,027
Accrued liabilities | (2,438)
Net assets acquired | $ 32,130

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- Definition Accrued Liabilities Assumed Through Reverse Recapitalization + References No definition available. + Details
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Namespace Prefix: | angn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Cash And Cash Equivalents Acquired Through Reverse Recapitalization + References No definition available. + Details
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Namespace Prefix: | angn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Net Assets Acquired Through Reverse Recapitalization + References No definition available. + Details
Name: | angn_NetAssetsAcquiredThroughReverseRecapitalization
Namespace Prefix: | angn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Other Current Assets Acquired Through Reverse Recapitalization + References No definition available. + Details
Name: | angn_OtherCurrentAssetsAcquiredThroughReverseRecapitalization
Namespace Prefix: | angn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Promissory Notes Acquired Through Reverse Recapitalization + References No definition available. + Details
Name: | angn_PromissoryNotesAcquiredThroughReverseRecapitalization
Namespace Prefix: | angn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Reverse Recapitalization + References No definition available. + Details
Name: | angn_ReverseRecapitalizationAbstract
Namespace Prefix: | angn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration