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v3.25.3

Stockholders' Equity - Summary of Warrants Activity (Details) - $ / shares | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Number of Common Warrants [Member] |  |
Class of Warrant or Right [Line Items] |  |
Beginning Balance | 8,104,615 | 8,427,508
Issued | 0 | 0
Exercised | 0 | (322,893)
Expired | (1,226,993) |
Ending Balance | 6,877,622 | 8,104,615
Number of Pre-funded Warrants [Member] |  |
Class of Warrant or Right [Line Items] |  |
Beginning Balance | 38,543,577 | 40,492,923
Issued | 0 | 7,000,000
Exercised | 0 | (6,209,871)
Expired | 0 |
Ending Balance | 38,543,577 | 41,283,052
Common Warrant and Pre-funded Warrants [Member] |  |
Class of Warrant or Right [Line Items] |  |
Weighted-Average Exercise Price, Issued | $ 0 | $ 0.001
Weighted-Average Exercise Price, Exercised | 0 | $ 0.307
Weighted-Average Exercise Price, Expired | $ 5.807 |

X
- Definition Class of warrant or right excercised. + References No definition available. + Details
Name: | annx_ClassOfWarrantOrRightExcercised
Namespace Prefix: | annx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of warrant or right expired + References No definition available. + Details
Name: | annx_ClassOfWarrantOrRightExpired
Namespace Prefix: | annx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of warrant or right issued + References No definition available. + Details
Name: | annx_ClassOfWarrantOrRightIssued
Namespace Prefix: | annx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of warrant or right weighted average exercise price of warrant exercised. + References No definition available. + Details
Name: | annx_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantExercised
Namespace Prefix: | annx_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of warrant or right weighted average exercise price of warrant expired. + References No definition available. + Details
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Namespace Prefix: | annx_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or right, weighted-average exercise price of warrant issued. + References No definition available. + Details
Name: | annx_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantIssued
Namespace Prefix: | annx_
Data Type: | dtr-types:perShareItemType
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

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=annx_PrefundedWarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=annx_CommonWarrantAndPreFundedWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |