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Summary of Significant Accounting Policies (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Summary of Significant Accounting Policies    
Collateralized bank repurchase agreement (1) $ 142,258 $ 2,228,779
Money market funds 992,347 17,272,985
Total $ 1,134,605 $ 19,501,764