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Summary of Significant Accounting Policies (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
item
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
item
Mar. 31, 2021
USD ($)
Restricted cash            
Restricted cash $ 0   $ 0   $ 210,000  
Cash securing letter of credit         210,000  
Revenue recognition            
Contract assets 0   0   0  
Contract liabilities 0   0   0  
Intangible assets            
Intangible asset, net 19,500,000   $ 19,500,000   $ 0 $ 20,000,000
Estimated life     20 years      
Income Taxes            
Bermuda statutory income tax rate     0.00% 0.00%    
Income tax benefits - Bermuda 0 $ 0 $ 0 $ 0    
Net operating loss carryforwards - Bermuda $ 0 $ 0 $ 0 $ 0    
Cash and cash equivalents | Credit concentration            
Concentration risk            
Number of financial institutions holding cash, cash equivalents and short-term investments | item     2   2