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Summary of Accounting Policies - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Unrealized gain (Loss) on short term investments $ 83,000,000   $ 9,000,000
Accounts receivable, percentage 10.00%   10.00%
Allowance for doubtful accounts $ 0   $ 0
Deferred revenue $ 622,000   $ 540,000
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | No Customer [Member]      
Concentration Risk, Percentage 10.00% 10.00%  
Additional Paid-in Capital [Member]      
Deferred offering costs $ 3,200,000