Quarterly report pursuant to Section 13 or 15(d)

Organization and Nature of Operations (Details)

v3.21.2
Organization and Nature of Operations (Details) - shares
1 Months Ended 6 Months Ended
Oct. 19, 2016
Jun. 30, 2021
Jul. 31, 2017
Organization and Nature of Operations (Details) [Line Items]      
Exchange for common stock (in Shares) 50,000,000    
Percentage of capital stock 100.00%    
Avalon RT 9 Properties, LLC [Member]      
Organization and Nature of Operations (Details) [Line Items]      
Building occupancy rate   89.40%  
Beijing Jieteng (GenExosome) Biotech Co., Ltd. [Member]      
Organization and Nature of Operations (Details) [Line Items]      
Ownership percentage     100.00%
GenExosome Technologies Inc. [Member]      
Organization and Nature of Operations (Details) [Line Items]      
Ownership percentage     60.00%
Dr. Yu Zhou [Member]      
Organization and Nature of Operations (Details) [Line Items]      
Ownership percentage     40.00%
Series of Individually Immaterial Business Acquisitions [Member]      
Organization and Nature of Operations (Details) [Line Items]      
Business acquired percentage 100.00%