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Organization and Nature of Operations - Schedule of Company’s Subsidiaries Which are Included in Condensed Consolidated Financial Statements (Details)
6 Months Ended
Jun. 30, 2025
Avalon Healthcare System, Inc. (“AHS”) [Member]  
Schedule of Company’s Subsidiaries which are Included in Condensed Consolidated Financial Statements [Line Items]  
Place and Date of Incorporation Delaware May 18, 2015
Percentage of Ownership 100.00%
Principal Activities Holding company for payroll and other expenses
Avalon RT 9 Properties LLC (“Avalon RT 9”) [Member]  
Schedule of Company’s Subsidiaries which are Included in Condensed Consolidated Financial Statements [Line Items]  
Place and Date of Incorporation New Jersey February 7, 2017
Percentage of Ownership 100.00%
Principal Activities Owns and operates an income-producing real property and holds and manages the corporate headquarters
Avalon (Shanghai) Healthcare Technology Co., Ltd. (“Avalon Shanghai”) [Member]  
Schedule of Company’s Subsidiaries which are Included in Condensed Consolidated Financial Statements [Line Items]  
Place and Date of Incorporation PRC April 29, 2016
Percentage of Ownership 100.00%
Principal Activities Not considered an operating entity
Genexosome Technologies Inc. (“Genexosome”) [Member]  
Schedule of Company’s Subsidiaries which are Included in Condensed Consolidated Financial Statements [Line Items]  
Place and Date of Incorporation Nevada July 31, 2017
Percentage of Ownership 60.00%
Principal Activities No current activities to report; dormant
Avactis Biosciences Inc. (“Avactis”) [Member]  
Schedule of Company’s Subsidiaries which are Included in Condensed Consolidated Financial Statements [Line Items]  
Place and Date of Incorporation Nevada July 18, 2018
Percentage of Ownership 60.00%
Principal Activities Dormant; in process of being dissolved
Avactis Nanjing Biosciences Ltd. (“Avactis Nanjing”) [Member]  
Schedule of Company’s Subsidiaries which are Included in Condensed Consolidated Financial Statements [Line Items]  
Place and Date of Incorporation PRC May 8, 2020
Percentage of Ownership 100.00%
Principal Activities Dormant; in process of being dissolved
Avalon Laboratory Services, Inc. (“Avalon Lab”) [Member]  
Schedule of Company’s Subsidiaries which are Included in Condensed Consolidated Financial Statements [Line Items]  
Place and Date of Incorporation Delaware October 14, 2022
Percentage of Ownership 100.00%
Principal Activities No current activities to report; dormant
Q&A Distribution LLC (“Q&A Distribution”) [Member]  
Schedule of Company’s Subsidiaries which are Included in Condensed Consolidated Financial Statements [Line Items]  
Place and Date of Incorporation Texas May 1, 2024
Percentage of Ownership 100.00%
Principal Activities Distributes KetoAir device
Nexus MergerSub Limited (“Nexus”) [Member]  
Schedule of Company’s Subsidiaries which are Included in Condensed Consolidated Financial Statements [Line Items]  
Place and Date of Incorporation BVI February 21, 2025
Percentage of Ownership 100.00%
Principal Activities No current activities to report