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Subsequent Events (Details) - Subsequent Event [Member] - American Depositary Shares [Member] - shares
1 Months Ended
Nov. 08, 2021
Oct. 25, 2021
Dr. Frost [Member]    
Subsequent Event [Line Items]    
Option to purchase shares   459,353
Mr. Marvin [Member]    
Subsequent Event [Line Items]    
Option to purchase shares 262,487